[llvm] [X86][GlobalISel] Reorganize shift scalar tests (NFC) (PR #68232)
Evgenii Kudriashov via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 9 21:37:26 PDT 2023
https://github.com/e-kud updated https://github.com/llvm/llvm-project/pull/68232
>From 85a7e3d5a9fde948ee28467a08bd19284e35887c Mon Sep 17 00:00:00 2001
From: Evgenii Kudriashov <evgenii.kudriashov at intel.com>
Date: Wed, 4 Oct 2023 08:58:50 -0700
Subject: [PATCH] [X86][GlobalISel] Reorganize shift tests (NFC)
Removed duplicated tests from GlobalISel directory
---
.../CodeGen/X86/GlobalISel/ashr-scalar.ll | 177 ---
.../test/CodeGen/X86/GlobalISel/shl-scalar.ll | 171 ---
llvm/test/CodeGen/X86/fast-isel-shift.ll | 419 ------
llvm/test/CodeGen/X86/isel-shift.ll | 1241 +++++++++++++++++
4 files changed, 1241 insertions(+), 767 deletions(-)
delete mode 100644 llvm/test/CodeGen/X86/GlobalISel/ashr-scalar.ll
delete mode 100644 llvm/test/CodeGen/X86/GlobalISel/shl-scalar.ll
delete mode 100644 llvm/test/CodeGen/X86/fast-isel-shift.ll
create mode 100644 llvm/test/CodeGen/X86/isel-shift.ll
diff --git a/llvm/test/CodeGen/X86/GlobalISel/ashr-scalar.ll b/llvm/test/CodeGen/X86/GlobalISel/ashr-scalar.ll
deleted file mode 100644
index 28a29cc8fb4122b..000000000000000
--- a/llvm/test/CodeGen/X86/GlobalISel/ashr-scalar.ll
+++ /dev/null
@@ -1,177 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64
-
-define i64 @test_ashr_i64(i64 %arg1, i64 %arg2) {
-; X64-LABEL: test_ashr_i64:
-; X64: # %bb.0:
-; X64-NEXT: movq %rdi, %rax
-; X64-NEXT: movq %rsi, %rcx
-; X64-NEXT: # kill: def $cl killed $cl killed $rcx
-; X64-NEXT: sarq %cl, %rax
-; X64-NEXT: retq
- %res = ashr i64 %arg1, %arg2
- ret i64 %res
-}
-
-define i64 @test_ashr_i64_imm(i64 %arg1) {
-; X64-LABEL: test_ashr_i64_imm:
-; X64: # %bb.0:
-; X64-NEXT: movq %rdi, %rax
-; X64-NEXT: sarq $5, %rax
-; X64-NEXT: retq
- %res = ashr i64 %arg1, 5
- ret i64 %res
-}
-
-define i64 @test_ashr_i64_imm1(i64 %arg1) {
-; X64-LABEL: test_ashr_i64_imm1:
-; X64: # %bb.0:
-; X64-NEXT: movq %rdi, %rax
-; X64-NEXT: sarq %rax
-; X64-NEXT: retq
- %res = ashr i64 %arg1, 1
- ret i64 %res
-}
-
-define i32 @test_ashr_i32(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_ashr_i32:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: sarl %cl, %eax
-; X64-NEXT: retq
- %res = ashr i32 %arg1, %arg2
- ret i32 %res
-}
-
-define i32 @test_ashr_i32_imm(i32 %arg1) {
-; X64-LABEL: test_ashr_i32_imm:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: sarl $5, %eax
-; X64-NEXT: retq
- %res = ashr i32 %arg1, 5
- ret i32 %res
-}
-
-define i32 @test_ashr_i32_imm1(i32 %arg1) {
-; X64-LABEL: test_ashr_i32_imm1:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: sarl %eax
-; X64-NEXT: retq
- %res = ashr i32 %arg1, 1
- ret i32 %res
-}
-
-define i16 @test_ashr_i16(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_ashr_i16:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: sarw %cl, %ax
-; X64-NEXT: # kill: def $ax killed $ax killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i16
- %a2 = trunc i32 %arg2 to i16
- %res = ashr i16 %a, %a2
- ret i16 %res
-}
-
-define i16 @test_ashr_i16_imm(i32 %arg1) {
-; X64-LABEL: test_ashr_i16_imm:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: sarw $5, %ax
-; X64-NEXT: # kill: def $ax killed $ax killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i16
- %res = ashr i16 %a, 5
- ret i16 %res
-}
-
-define i16 @test_ashr_i16_imm1(i32 %arg1) {
-; X64-LABEL: test_ashr_i16_imm1:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: sarw %ax
-; X64-NEXT: # kill: def $ax killed $ax killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i16
- %res = ashr i16 %a, 1
- ret i16 %res
-}
-
-define i8 @test_ashr_i8(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_ashr_i8:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: sarb %cl, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i8
- %a2 = trunc i32 %arg2 to i8
- %res = ashr i8 %a, %a2
- ret i8 %res
-}
-
-define i8 @test_ashr_i8_imm(i32 %arg1) {
-; X64-LABEL: test_ashr_i8_imm:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: sarb $5, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i8
- %res = ashr i8 %a, 5
- ret i8 %res
-}
-
-define i8 @test_ashr_i8_imm1(i32 %arg1) {
-; X64-LABEL: test_ashr_i8_imm1:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: sarb %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i8
- %res = ashr i8 %a, 1
- ret i8 %res
-}
-
-define i1 @test_ashr_i1(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_ashr_i1:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: shlb $7, %al
-; X64-NEXT: sarb $7, %al
-; X64-NEXT: andb $1, %cl
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: sarb %cl, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i1
- %a2 = trunc i32 %arg2 to i1
- %res = ashr i1 %a, %a2
- ret i1 %res
-}
-
-define i1 @test_ashr_i1_imm1(i32 %arg1) {
-; X64-LABEL: test_ashr_i1_imm1:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: shlb $7, %al
-; X64-NEXT: sarb $7, %al
-; X64-NEXT: movb $1, %cl
-; X64-NEXT: sarb %cl, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i1
- %res = ashr i1 %a, 1
- ret i1 %res
-}
diff --git a/llvm/test/CodeGen/X86/GlobalISel/shl-scalar.ll b/llvm/test/CodeGen/X86/GlobalISel/shl-scalar.ll
deleted file mode 100644
index c298ed6d106c7d7..000000000000000
--- a/llvm/test/CodeGen/X86/GlobalISel/shl-scalar.ll
+++ /dev/null
@@ -1,171 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64
-
-define i64 @test_shl_i64(i64 %arg1, i64 %arg2) {
-; X64-LABEL: test_shl_i64:
-; X64: # %bb.0:
-; X64-NEXT: movq %rdi, %rax
-; X64-NEXT: movq %rsi, %rcx
-; X64-NEXT: # kill: def $cl killed $cl killed $rcx
-; X64-NEXT: shlq %cl, %rax
-; X64-NEXT: retq
- %res = shl i64 %arg1, %arg2
- ret i64 %res
-}
-
-define i64 @test_shl_i64_imm(i64 %arg1) {
-; X64-LABEL: test_shl_i64_imm:
-; X64: # %bb.0:
-; X64-NEXT: movq %rdi, %rax
-; X64-NEXT: shlq $5, %rax
-; X64-NEXT: retq
- %res = shl i64 %arg1, 5
- ret i64 %res
-}
-
-define i64 @test_shl_i64_imm1(i64 %arg1) {
-; X64-LABEL: test_shl_i64_imm1:
-; X64: # %bb.0:
-; X64-NEXT: leaq (%rdi,%rdi), %rax
-; X64-NEXT: retq
- %res = shl i64 %arg1, 1
- ret i64 %res
-}
-
-define i32 @test_shl_i32(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_shl_i32:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: shll %cl, %eax
-; X64-NEXT: retq
- %res = shl i32 %arg1, %arg2
- ret i32 %res
-}
-
-define i32 @test_shl_i32_imm(i32 %arg1) {
-; X64-LABEL: test_shl_i32_imm:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: shll $5, %eax
-; X64-NEXT: retq
- %res = shl i32 %arg1, 5
- ret i32 %res
-}
-
-define i32 @test_shl_i32_imm1(i32 %arg1) {
-; X64-LABEL: test_shl_i32_imm1:
-; X64: # %bb.0:
-; X64-NEXT: # kill: def $edi killed $edi def $rdi
-; X64-NEXT: leal (%rdi,%rdi), %eax
-; X64-NEXT: retq
- %res = shl i32 %arg1, 1
- ret i32 %res
-}
-
-define i16 @test_shl_i16(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_shl_i16:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: shlw %cl, %ax
-; X64-NEXT: # kill: def $ax killed $ax killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i16
- %a2 = trunc i32 %arg2 to i16
- %res = shl i16 %a, %a2
- ret i16 %res
-}
-
-define i16 @test_shl_i16_imm(i32 %arg1) {
-; X64-LABEL: test_shl_i16_imm:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: shlw $5, %ax
-; X64-NEXT: # kill: def $ax killed $ax killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i16
- %res = shl i16 %a, 5
- ret i16 %res
-}
-
-define i16 @test_shl_i16_imm1(i32 %arg1) {
-; X64-LABEL: test_shl_i16_imm1:
-; X64: # %bb.0:
-; X64-NEXT: # kill: def $edi killed $edi def $rdi
-; X64-NEXT: leal (%rdi,%rdi), %eax
-; X64-NEXT: # kill: def $ax killed $ax killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i16
- %res = shl i16 %a, 1
- ret i16 %res
-}
-
-define i8 @test_shl_i8(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_shl_i8:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: shlb %cl, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i8
- %a2 = trunc i32 %arg2 to i8
- %res = shl i8 %a, %a2
- ret i8 %res
-}
-
-define i8 @test_shl_i8_imm(i32 %arg1) {
-; X64-LABEL: test_shl_i8_imm:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: shlb $5, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i8
- %res = shl i8 %a, 5
- ret i8 %res
-}
-
-define i8 @test_shl_i8_imm1(i32 %arg1) {
-; X64-LABEL: test_shl_i8_imm1:
-; X64: # %bb.0:
-; X64-NEXT: # kill: def $edi killed $edi def $rdi
-; X64-NEXT: leal (%rdi,%rdi), %eax
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i8
- %res = shl i8 %a, 1
- ret i8 %res
-}
-
-define i1 @test_shl_i1(i32 %arg1, i32 %arg2) {
-; X64-LABEL: test_shl_i1:
-; X64: # %bb.0:
-; X64-NEXT: movl %edi, %eax
-; X64-NEXT: movl %esi, %ecx
-; X64-NEXT: andb $1, %cl
-; X64-NEXT: # kill: def $cl killed $cl killed $ecx
-; X64-NEXT: shlb %cl, %al
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i1
- %a2 = trunc i32 %arg2 to i1
- %res = shl i1 %a, %a2
- ret i1 %res
-}
-
-define i1 @test_shl_i1_imm1(i32 %arg1) {
-; X64-LABEL: test_shl_i1_imm1:
-; X64: # %bb.0:
-; X64-NEXT: # kill: def $edi killed $edi def $rdi
-; X64-NEXT: leal (%rdi,%rdi), %eax
-; X64-NEXT: # kill: def $al killed $al killed $eax
-; X64-NEXT: retq
- %a = trunc i32 %arg1 to i1
- %res = shl i1 %a, 1
- ret i1 %res
-}
diff --git a/llvm/test/CodeGen/X86/fast-isel-shift.ll b/llvm/test/CodeGen/X86/fast-isel-shift.ll
deleted file mode 100644
index 34cddfef4dd7c79..000000000000000
--- a/llvm/test/CodeGen/X86/fast-isel-shift.ll
+++ /dev/null
@@ -1,419 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 | FileCheck %s
-
-define i8 @shl_i8(i8 %a, i8 %b) {
-; CHECK-LABEL: shl_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cl killed $cl killed $ecx
-; CHECK-NEXT: shlb %cl, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = shl i8 %a, %b
- ret i8 %c
-}
-
-define i16 @shl_i16(i16 %a, i16 %b) {
-; CHECK-LABEL: shl_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cx killed $cx killed $ecx
-; CHECK-NEXT: ## kill: def $cl killed $cx
-; CHECK-NEXT: shlw %cl, %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = shl i16 %a, %b
- ret i16 %c
-}
-
-define i32 @shl_i32(i32 %a, i32 %b) {
-; CHECK-LABEL: shl_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cl killed $ecx
-; CHECK-NEXT: shll %cl, %eax
-; CHECK-NEXT: retq
- %c = shl i32 %a, %b
- ret i32 %c
-}
-
-define i64 @shl_i64(i64 %a, i64 %b) {
-; CHECK-LABEL: shl_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rsi, %rcx
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: ## kill: def $cl killed $rcx
-; CHECK-NEXT: shlq %cl, %rax
-; CHECK-NEXT: retq
- %c = shl i64 %a, %b
- ret i64 %c
-}
-
-define i8 @lshr_i8(i8 %a, i8 %b) {
-; CHECK-LABEL: lshr_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cl killed $cl killed $ecx
-; CHECK-NEXT: shrb %cl, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = lshr i8 %a, %b
- ret i8 %c
-}
-
-define i16 @lshr_i16(i16 %a, i16 %b) {
-; CHECK-LABEL: lshr_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cx killed $cx killed $ecx
-; CHECK-NEXT: ## kill: def $cl killed $cx
-; CHECK-NEXT: shrw %cl, %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = lshr i16 %a, %b
- ret i16 %c
-}
-
-define i32 @lshr_i32(i32 %a, i32 %b) {
-; CHECK-LABEL: lshr_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cl killed $ecx
-; CHECK-NEXT: shrl %cl, %eax
-; CHECK-NEXT: retq
- %c = lshr i32 %a, %b
- ret i32 %c
-}
-
-define i64 @lshr_i64(i64 %a, i64 %b) {
-; CHECK-LABEL: lshr_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rsi, %rcx
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: ## kill: def $cl killed $rcx
-; CHECK-NEXT: shrq %cl, %rax
-; CHECK-NEXT: retq
- %c = lshr i64 %a, %b
- ret i64 %c
-}
-
-define i8 @ashr_i8(i8 %a, i8 %b) {
-; CHECK-LABEL: ashr_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cl killed $cl killed $ecx
-; CHECK-NEXT: sarb %cl, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = ashr i8 %a, %b
- ret i8 %c
-}
-
-define i16 @ashr_i16(i16 %a, i16 %b) {
-; CHECK-LABEL: ashr_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cx killed $cx killed $ecx
-; CHECK-NEXT: ## kill: def $cl killed $cx
-; CHECK-NEXT: sarw %cl, %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = ashr i16 %a, %b
- ret i16 %c
-}
-
-define i32 @ashr_i32(i32 %a, i32 %b) {
-; CHECK-LABEL: ashr_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %esi, %ecx
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: ## kill: def $cl killed $ecx
-; CHECK-NEXT: sarl %cl, %eax
-; CHECK-NEXT: retq
- %c = ashr i32 %a, %b
- ret i32 %c
-}
-
-define i64 @ashr_i64(i64 %a, i64 %b) {
-; CHECK-LABEL: ashr_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rsi, %rcx
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: ## kill: def $cl killed $rcx
-; CHECK-NEXT: sarq %cl, %rax
-; CHECK-NEXT: retq
- %c = ashr i64 %a, %b
- ret i64 %c
-}
-
-define i8 @shl_imm1_i8(i8 %a) {
-; CHECK-LABEL: shl_imm1_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: ## kill: def $edi killed $edi def $rdi
-; CHECK-NEXT: leal (,%rdi,2), %eax
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = shl i8 %a, 1
- ret i8 %c
-}
-
-define i16 @shl_imm1_i16(i16 %a) {
-; CHECK-LABEL: shl_imm1_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: ## kill: def $edi killed $edi def $rdi
-; CHECK-NEXT: leal (,%rdi,2), %eax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = shl i16 %a, 1
- ret i16 %c
-}
-
-define i32 @shl_imm1_i32(i32 %a) {
-; CHECK-LABEL: shl_imm1_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: ## kill: def $edi killed $edi def $rdi
-; CHECK-NEXT: leal (,%rdi,2), %eax
-; CHECK-NEXT: retq
- %c = shl i32 %a, 1
- ret i32 %c
-}
-
-define i64 @shl_imm1_i64(i64 %a) {
-; CHECK-LABEL: shl_imm1_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: leaq (,%rdi,2), %rax
-; CHECK-NEXT: retq
- %c = shl i64 %a, 1
- ret i64 %c
-}
-
-define i8 @lshr_imm1_i8(i8 %a) {
-; CHECK-LABEL: lshr_imm1_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shrb %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = lshr i8 %a, 1
- ret i8 %c
-}
-
-define i16 @lshr_imm1_i16(i16 %a) {
-; CHECK-LABEL: lshr_imm1_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shrw %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = lshr i16 %a, 1
- ret i16 %c
-}
-
-define i32 @lshr_imm1_i32(i32 %a) {
-; CHECK-LABEL: lshr_imm1_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shrl %eax
-; CHECK-NEXT: retq
- %c = lshr i32 %a, 1
- ret i32 %c
-}
-
-define i64 @lshr_imm1_i64(i64 %a) {
-; CHECK-LABEL: lshr_imm1_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: shrq %rax
-; CHECK-NEXT: retq
- %c = lshr i64 %a, 1
- ret i64 %c
-}
-
-define i8 @ashr_imm1_i8(i8 %a) {
-; CHECK-LABEL: ashr_imm1_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: sarb %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = ashr i8 %a, 1
- ret i8 %c
-}
-
-define i16 @ashr_imm1_i16(i16 %a) {
-; CHECK-LABEL: ashr_imm1_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: sarw %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = ashr i16 %a, 1
- ret i16 %c
-}
-
-define i32 @ashr_imm1_i32(i32 %a) {
-; CHECK-LABEL: ashr_imm1_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: sarl %eax
-; CHECK-NEXT: retq
- %c = ashr i32 %a, 1
- ret i32 %c
-}
-
-define i64 @ashr_imm1_i64(i64 %a) {
-; CHECK-LABEL: ashr_imm1_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: sarq %rax
-; CHECK-NEXT: retq
- %c = ashr i64 %a, 1
- ret i64 %c
-}
-
-define i8 @shl_imm4_i8(i8 %a) {
-; CHECK-LABEL: shl_imm4_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shlb $4, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = shl i8 %a, 4
- ret i8 %c
-}
-
-define i16 @shl_imm4_i16(i16 %a) {
-; CHECK-LABEL: shl_imm4_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shlw $4, %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = shl i16 %a, 4
- ret i16 %c
-}
-
-define i32 @shl_imm4_i32(i32 %a) {
-; CHECK-LABEL: shl_imm4_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shll $4, %eax
-; CHECK-NEXT: retq
- %c = shl i32 %a, 4
- ret i32 %c
-}
-
-define i64 @shl_imm4_i64(i64 %a) {
-; CHECK-LABEL: shl_imm4_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: shlq $4, %rax
-; CHECK-NEXT: retq
- %c = shl i64 %a, 4
- ret i64 %c
-}
-
-define i8 @lshr_imm4_i8(i8 %a) {
-; CHECK-LABEL: lshr_imm4_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shrb $4, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = lshr i8 %a, 4
- ret i8 %c
-}
-
-define i16 @lshr_imm4_i16(i16 %a) {
-; CHECK-LABEL: lshr_imm4_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shrw $4, %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = lshr i16 %a, 4
- ret i16 %c
-}
-
-define i32 @lshr_imm4_i32(i32 %a) {
-; CHECK-LABEL: lshr_imm4_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: shrl $4, %eax
-; CHECK-NEXT: retq
- %c = lshr i32 %a, 4
- ret i32 %c
-}
-
-define i64 @lshr_imm4_i64(i64 %a) {
-; CHECK-LABEL: lshr_imm4_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: shrq $4, %rax
-; CHECK-NEXT: retq
- %c = lshr i64 %a, 4
- ret i64 %c
-}
-
-define i8 @ashr_imm4_i8(i8 %a) {
-; CHECK-LABEL: ashr_imm4_i8:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: sarb $4, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %c = ashr i8 %a, 4
- ret i8 %c
-}
-
-define i16 @ashr_imm4_i16(i16 %a) {
-; CHECK-LABEL: ashr_imm4_i16:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: sarw $4, %ax
-; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax
-; CHECK-NEXT: retq
- %c = ashr i16 %a, 4
- ret i16 %c
-}
-
-define i32 @ashr_imm4_i32(i32 %a) {
-; CHECK-LABEL: ashr_imm4_i32:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: sarl $4, %eax
-; CHECK-NEXT: retq
- %c = ashr i32 %a, 4
- ret i32 %c
-}
-
-define i64 @ashr_imm4_i64(i64 %a) {
-; CHECK-LABEL: ashr_imm4_i64:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movq %rdi, %rax
-; CHECK-NEXT: sarq $4, %rax
-; CHECK-NEXT: retq
- %c = ashr i64 %a, 4
- ret i64 %c
-}
-
-; Make sure we don't crash on out of bounds i8 shifts.
-define i8 @PR36731(i8 %a) {
-; CHECK-LABEL: PR36731:
-; CHECK: ## %bb.0:
-; CHECK-NEXT: movl %edi, %eax
-; CHECK-NEXT: movb $255, %cl
-; CHECK-NEXT: shlb %cl, %al
-; CHECK-NEXT: ## kill: def $al killed $al killed $eax
-; CHECK-NEXT: retq
- %b = shl i8 %a, -1
- ret i8 %b
-}
diff --git a/llvm/test/CodeGen/X86/isel-shift.ll b/llvm/test/CodeGen/X86/isel-shift.ll
new file mode 100644
index 000000000000000..476dcf04dbaa293
--- /dev/null
+++ b/llvm/test/CodeGen/X86/isel-shift.ll
@@ -0,0 +1,1241 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-apple-darwin10 | FileCheck %s --check-prefixes=X86,SDAG,SDAG-X86
+; RUN: llc < %s -mtriple=i686-apple-darwin10 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X86,FASTISEL-X86
+; TODO: llc < %s -mtriple=i686-apple-darwin10 -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=X86,GISEL-X86
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s --check-prefixes=X64,SDAG,SDAG-X64
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64,FASTISEL-X64
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=X64,GISEL-X64
+
+define i8 @shl_i8(i8 %a, i8 %b) {
+; X86-LABEL: shl_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shlb %cl, %al
+; X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_i8:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: shlb %cl, %al
+; SDAG-X64-NEXT: ## kill: def $al killed $al killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_i8:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; FASTISEL-X64-NEXT: shlb %cl, %al
+; FASTISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_i8:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: shlb %cl, %al
+; GISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; GISEL-X64-NEXT: retq
+ %c = shl i8 %a, %b
+ ret i8 %c
+}
+
+define i16 @shl_i16(i16 %a, i16 %b) {
+; SDAG-X86-LABEL: shl_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shll %cl, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: ## kill: def $cl killed $cx
+; FASTISEL-X86-NEXT: shlw %cl, %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: shll %cl, %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cx killed $cx killed $ecx
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $cx
+; FASTISEL-X64-NEXT: shlw %cl, %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: shlw %cl, %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = shl i16 %a, %b
+ ret i16 %c
+}
+
+define i32 @shl_i32(i32 %a, i32 %b) {
+; SDAG-X86-LABEL: shl_i32:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shll %cl, %eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_i32:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: ## kill: def $cl killed $ecx
+; FASTISEL-X86-NEXT: shll %cl, %eax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_i32:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: shll %cl, %eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_i32:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $ecx
+; FASTISEL-X64-NEXT: shll %cl, %eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_i32:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: shll %cl, %eax
+; GISEL-X64-NEXT: retq
+ %c = shl i32 %a, %b
+ ret i32 %c
+}
+
+define i64 @shl_i64(i64 %a, i64 %b) nounwind {
+; SDAG-X86-LABEL: shl_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: pushl %esi
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: movl %esi, %eax
+; SDAG-X86-NEXT: shll %cl, %eax
+; SDAG-X86-NEXT: shldl %cl, %esi, %edx
+; SDAG-X86-NEXT: testb $32, %cl
+; SDAG-X86-NEXT: je LBB3_2
+; SDAG-X86-NEXT: ## %bb.1:
+; SDAG-X86-NEXT: movl %eax, %edx
+; SDAG-X86-NEXT: xorl %eax, %eax
+; SDAG-X86-NEXT: LBB3_2:
+; SDAG-X86-NEXT: popl %esi
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shldl %cl, %eax, %edx
+; FASTISEL-X86-NEXT: shll %cl, %eax
+; FASTISEL-X86-NEXT: testb $32, %cl
+; FASTISEL-X86-NEXT: je LBB3_2
+; FASTISEL-X86-NEXT: ## %bb.1:
+; FASTISEL-X86-NEXT: movl %eax, %edx
+; FASTISEL-X86-NEXT: xorl %eax, %eax
+; FASTISEL-X86-NEXT: LBB3_2:
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_i64:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movq %rsi, %rcx
+; SDAG-X64-NEXT: movq %rdi, %rax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $rcx
+; SDAG-X64-NEXT: shlq %cl, %rax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_i64:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movq %rsi, %rcx
+; FASTISEL-X64-NEXT: movq %rdi, %rax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $rcx
+; FASTISEL-X64-NEXT: shlq %cl, %rax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_i64:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movq %rdi, %rax
+; GISEL-X64-NEXT: movq %rsi, %rcx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $rcx
+; GISEL-X64-NEXT: shlq %cl, %rax
+; GISEL-X64-NEXT: retq
+ %c = shl i64 %a, %b
+ ret i64 %c
+}
+
+define i8 @lshr_i8(i8 %a, i8 %b) {
+; X86-LABEL: lshr_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shrb %cl, %al
+; X86-NEXT: retl
+;
+; SDAG-X64-LABEL: lshr_i8:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: shrb %cl, %al
+; SDAG-X64-NEXT: ## kill: def $al killed $al killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: lshr_i8:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; FASTISEL-X64-NEXT: shrb %cl, %al
+; FASTISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: lshr_i8:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: shrb %cl, %al
+; GISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; GISEL-X64-NEXT: retq
+ %c = lshr i8 %a, %b
+ ret i8 %c
+}
+
+define i16 @lshr_i16(i16 %a, i16 %b) {
+; SDAG-X86-LABEL: lshr_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shrl %cl, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: ## kill: def $cl killed $cx
+; FASTISEL-X86-NEXT: shrw %cl, %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: lshr_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movzwl %di, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: shrl %cl, %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: lshr_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cx killed $cx killed $ecx
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $cx
+; FASTISEL-X64-NEXT: shrw %cl, %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: lshr_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: shrw %cl, %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = lshr i16 %a, %b
+ ret i16 %c
+}
+
+define i32 @lshr_i32(i32 %a, i32 %b) {
+; SDAG-X86-LABEL: lshr_i32:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shrl %cl, %eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_i32:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: ## kill: def $cl killed $ecx
+; FASTISEL-X86-NEXT: shrl %cl, %eax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: lshr_i32:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: shrl %cl, %eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: lshr_i32:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $ecx
+; FASTISEL-X64-NEXT: shrl %cl, %eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: lshr_i32:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: shrl %cl, %eax
+; GISEL-X64-NEXT: retq
+ %c = lshr i32 %a, %b
+ ret i32 %c
+}
+
+define i64 @lshr_i64(i64 %a, i64 %b) nounwind {
+; SDAG-X86-LABEL: lshr_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: pushl %esi
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; SDAG-X86-NEXT: movl %esi, %edx
+; SDAG-X86-NEXT: shrl %cl, %edx
+; SDAG-X86-NEXT: shrdl %cl, %esi, %eax
+; SDAG-X86-NEXT: testb $32, %cl
+; SDAG-X86-NEXT: je LBB7_2
+; SDAG-X86-NEXT: ## %bb.1:
+; SDAG-X86-NEXT: movl %edx, %eax
+; SDAG-X86-NEXT: xorl %edx, %edx
+; SDAG-X86-NEXT: LBB7_2:
+; SDAG-X86-NEXT: popl %esi
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrdl %cl, %edx, %eax
+; FASTISEL-X86-NEXT: shrl %cl, %edx
+; FASTISEL-X86-NEXT: testb $32, %cl
+; FASTISEL-X86-NEXT: je LBB7_2
+; FASTISEL-X86-NEXT: ## %bb.1:
+; FASTISEL-X86-NEXT: movl %edx, %eax
+; FASTISEL-X86-NEXT: xorl %edx, %edx
+; FASTISEL-X86-NEXT: LBB7_2:
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: lshr_i64:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movq %rsi, %rcx
+; SDAG-X64-NEXT: movq %rdi, %rax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $rcx
+; SDAG-X64-NEXT: shrq %cl, %rax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: lshr_i64:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movq %rsi, %rcx
+; FASTISEL-X64-NEXT: movq %rdi, %rax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $rcx
+; FASTISEL-X64-NEXT: shrq %cl, %rax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: lshr_i64:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movq %rdi, %rax
+; GISEL-X64-NEXT: movq %rsi, %rcx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $rcx
+; GISEL-X64-NEXT: shrq %cl, %rax
+; GISEL-X64-NEXT: retq
+ %c = lshr i64 %a, %b
+ ret i64 %c
+}
+
+define i8 @ashr_i8(i8 %a, i8 %b) {
+; X86-LABEL: ashr_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: sarb %cl, %al
+; X86-NEXT: retl
+;
+; SDAG-X64-LABEL: ashr_i8:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: sarb %cl, %al
+; SDAG-X64-NEXT: ## kill: def $al killed $al killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: ashr_i8:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; FASTISEL-X64-NEXT: sarb %cl, %al
+; FASTISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: ashr_i8:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: sarb %cl, %al
+; GISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; GISEL-X64-NEXT: retq
+ %c = ashr i8 %a, %b
+ ret i8 %c
+}
+
+define i16 @ashr_i16(i16 %a, i16 %b) {
+; SDAG-X86-LABEL: ashr_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movswl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: sarl %cl, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: ## kill: def $cl killed $cx
+; FASTISEL-X86-NEXT: sarw %cl, %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: ashr_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movswl %di, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: sarl %cl, %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: ashr_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cx killed $cx killed $ecx
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $cx
+; FASTISEL-X64-NEXT: sarw %cl, %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: ashr_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: sarw %cl, %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = ashr i16 %a, %b
+ ret i16 %c
+}
+
+define i32 @ashr_i32(i32 %a, i32 %b) {
+; SDAG-X86-LABEL: ashr_i32:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: sarl %cl, %eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_i32:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: ## kill: def $cl killed $ecx
+; FASTISEL-X86-NEXT: sarl %cl, %eax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: ashr_i32:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %esi, %ecx
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; SDAG-X64-NEXT: sarl %cl, %eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: ashr_i32:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %esi, %ecx
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $ecx
+; FASTISEL-X64-NEXT: sarl %cl, %eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: ashr_i32:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: movl %esi, %ecx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $ecx
+; GISEL-X64-NEXT: sarl %cl, %eax
+; GISEL-X64-NEXT: retq
+ %c = ashr i32 %a, %b
+ ret i32 %c
+}
+
+define i64 @ashr_i64(i64 %a, i64 %b) nounwind {
+; SDAG-X86-LABEL: ashr_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: pushl %esi
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; SDAG-X86-NEXT: movl %esi, %edx
+; SDAG-X86-NEXT: sarl %cl, %edx
+; SDAG-X86-NEXT: shrdl %cl, %esi, %eax
+; SDAG-X86-NEXT: testb $32, %cl
+; SDAG-X86-NEXT: je LBB11_2
+; SDAG-X86-NEXT: ## %bb.1:
+; SDAG-X86-NEXT: sarl $31, %esi
+; SDAG-X86-NEXT: movl %edx, %eax
+; SDAG-X86-NEXT: movl %esi, %edx
+; SDAG-X86-NEXT: LBB11_2:
+; SDAG-X86-NEXT: popl %esi
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: pushl %esi
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %esi
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrdl %cl, %esi, %eax
+; FASTISEL-X86-NEXT: movl %esi, %edx
+; FASTISEL-X86-NEXT: sarl %cl, %edx
+; FASTISEL-X86-NEXT: testb $32, %cl
+; FASTISEL-X86-NEXT: je LBB11_2
+; FASTISEL-X86-NEXT: ## %bb.1:
+; FASTISEL-X86-NEXT: sarl $31, %esi
+; FASTISEL-X86-NEXT: movl %edx, %eax
+; FASTISEL-X86-NEXT: movl %esi, %edx
+; FASTISEL-X86-NEXT: LBB11_2:
+; FASTISEL-X86-NEXT: popl %esi
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: ashr_i64:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movq %rsi, %rcx
+; SDAG-X64-NEXT: movq %rdi, %rax
+; SDAG-X64-NEXT: ## kill: def $cl killed $cl killed $rcx
+; SDAG-X64-NEXT: sarq %cl, %rax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: ashr_i64:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movq %rsi, %rcx
+; FASTISEL-X64-NEXT: movq %rdi, %rax
+; FASTISEL-X64-NEXT: ## kill: def $cl killed $rcx
+; FASTISEL-X64-NEXT: sarq %cl, %rax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: ashr_i64:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movq %rdi, %rax
+; GISEL-X64-NEXT: movq %rsi, %rcx
+; GISEL-X64-NEXT: ## kill: def $cl killed $cl killed $rcx
+; GISEL-X64-NEXT: sarq %cl, %rax
+; GISEL-X64-NEXT: retq
+ %c = ashr i64 %a, %b
+ ret i64 %c
+}
+
+define i8 @shl_imm1_i8(i8 %a) {
+; SDAG-X86-LABEL: shl_imm1_i8:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: addb %al, %al
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_imm1_i8:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shlb %al
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_imm1_i8:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; SDAG-X64-NEXT: leal (%rdi,%rdi), %eax
+; SDAG-X64-NEXT: ## kill: def $al killed $al killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_imm1_i8:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; FASTISEL-X64-NEXT: leal (,%rdi,2), %eax
+; FASTISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_imm1_i8:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; GISEL-X64-NEXT: leal (%rdi,%rdi), %eax
+; GISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; GISEL-X64-NEXT: retq
+ %c = shl i8 %a, 1
+ ret i8 %c
+}
+
+define i16 @shl_imm1_i16(i16 %a) {
+; SDAG-X86-LABEL: shl_imm1_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: addl %eax, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_imm1_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shlw %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_imm1_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; SDAG-X64-NEXT: leal (%rdi,%rdi), %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_imm1_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; FASTISEL-X64-NEXT: leal (,%rdi,2), %eax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_imm1_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; GISEL-X64-NEXT: leal (%rdi,%rdi), %eax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = shl i16 %a, 1
+ ret i16 %c
+}
+
+define i32 @shl_imm1_i32(i32 %a) {
+; SDAG-X86-LABEL: shl_imm1_i32:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: addl %eax, %eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_imm1_i32:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shll %eax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_imm1_i32:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; SDAG-X64-NEXT: leal (%rdi,%rdi), %eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_imm1_i32:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; FASTISEL-X64-NEXT: leal (,%rdi,2), %eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_imm1_i32:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: ## kill: def $edi killed $edi def $rdi
+; GISEL-X64-NEXT: leal (%rdi,%rdi), %eax
+; GISEL-X64-NEXT: retq
+ %c = shl i32 %a, 1
+ ret i32 %c
+}
+
+define i64 @shl_imm1_i64(i64 %a) {
+; SDAG-X86-LABEL: shl_imm1_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: shldl $1, %eax, %edx
+; SDAG-X86-NEXT: addl %eax, %eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_imm1_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shldl $1, %eax, %edx
+; FASTISEL-X86-NEXT: addl %eax, %eax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_imm1_i64:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: leaq (%rdi,%rdi), %rax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_imm1_i64:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: leaq (,%rdi,2), %rax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_imm1_i64:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: leaq (%rdi,%rdi), %rax
+; GISEL-X64-NEXT: retq
+ %c = shl i64 %a, 1
+ ret i64 %c
+}
+
+define i8 @lshr_imm1_i8(i8 %a) {
+; X86-LABEL: lshr_imm1_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shrb %al
+; X86-NEXT: retl
+;
+; X64-LABEL: lshr_imm1_i8:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: shrb %al
+; X64-NEXT: ## kill: def $al killed $al killed $eax
+; X64-NEXT: retq
+ %c = lshr i8 %a, 1
+ ret i8 %c
+}
+
+define i16 @lshr_imm1_i16(i16 %a) {
+; SDAG-X86-LABEL: lshr_imm1_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shrl %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_imm1_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrw %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: lshr_imm1_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movzwl %di, %eax
+; SDAG-X64-NEXT: shrl %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: lshr_imm1_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: shrw %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: lshr_imm1_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: shrw %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = lshr i16 %a, 1
+ ret i16 %c
+}
+
+define i32 @lshr_imm1_i32(i32 %a) {
+; X86-LABEL: lshr_imm1_i32:
+; X86: ## %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shrl %eax
+; X86-NEXT: retl
+;
+; X64-LABEL: lshr_imm1_i32:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: shrl %eax
+; X64-NEXT: retq
+ %c = lshr i32 %a, 1
+ ret i32 %c
+}
+
+define i64 @lshr_imm1_i64(i64 %a) {
+; SDAG-X86-LABEL: lshr_imm1_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: shrdl $1, %edx, %eax
+; SDAG-X86-NEXT: shrl %edx
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_imm1_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrdl $1, %edx, %eax
+; FASTISEL-X86-NEXT: shrl %edx
+; FASTISEL-X86-NEXT: retl
+;
+; X64-LABEL: lshr_imm1_i64:
+; X64: ## %bb.0:
+; X64-NEXT: movq %rdi, %rax
+; X64-NEXT: shrq %rax
+; X64-NEXT: retq
+ %c = lshr i64 %a, 1
+ ret i64 %c
+}
+
+define i8 @ashr_imm1_i8(i8 %a) {
+; X86-LABEL: ashr_imm1_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: sarb %al
+; X86-NEXT: retl
+;
+; X64-LABEL: ashr_imm1_i8:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: sarb %al
+; X64-NEXT: ## kill: def $al killed $al killed $eax
+; X64-NEXT: retq
+ %c = ashr i8 %a, 1
+ ret i8 %c
+}
+
+define i16 @ashr_imm1_i16(i16 %a) {
+; SDAG-X86-LABEL: ashr_imm1_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movswl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shrl %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_imm1_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: sarw %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: ashr_imm1_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movswl %di, %eax
+; SDAG-X64-NEXT: shrl %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: ashr_imm1_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: sarw %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: ashr_imm1_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: sarw %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = ashr i16 %a, 1
+ ret i16 %c
+}
+
+define i32 @ashr_imm1_i32(i32 %a) {
+; X86-LABEL: ashr_imm1_i32:
+; X86: ## %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: sarl %eax
+; X86-NEXT: retl
+;
+; X64-LABEL: ashr_imm1_i32:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: sarl %eax
+; X64-NEXT: retq
+ %c = ashr i32 %a, 1
+ ret i32 %c
+}
+
+define i64 @ashr_imm1_i64(i64 %a) {
+; SDAG-X86-LABEL: ashr_imm1_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: shrdl $1, %edx, %eax
+; SDAG-X86-NEXT: sarl %edx
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_imm1_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrdl $1, %edx, %eax
+; FASTISEL-X86-NEXT: sarl %edx
+; FASTISEL-X86-NEXT: retl
+;
+; X64-LABEL: ashr_imm1_i64:
+; X64: ## %bb.0:
+; X64-NEXT: movq %rdi, %rax
+; X64-NEXT: sarq %rax
+; X64-NEXT: retq
+ %c = ashr i64 %a, 1
+ ret i64 %c
+}
+
+define i8 @shl_imm4_i8(i8 %a) {
+; X86-LABEL: shl_imm4_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shlb $4, %al
+; X86-NEXT: retl
+;
+; X64-LABEL: shl_imm4_i8:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: shlb $4, %al
+; X64-NEXT: ## kill: def $al killed $al killed $eax
+; X64-NEXT: retq
+ %c = shl i8 %a, 4
+ ret i8 %c
+}
+
+define i16 @shl_imm4_i16(i16 %a) {
+; SDAG-X86-LABEL: shl_imm4_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shll $4, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_imm4_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shlw $4, %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: shl_imm4_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movl %edi, %eax
+; SDAG-X64-NEXT: shll $4, %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: shl_imm4_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: shlw $4, %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: shl_imm4_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: shlw $4, %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = shl i16 %a, 4
+ ret i16 %c
+}
+
+define i32 @shl_imm4_i32(i32 %a) {
+; X86-LABEL: shl_imm4_i32:
+; X86: ## %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shll $4, %eax
+; X86-NEXT: retl
+;
+; X64-LABEL: shl_imm4_i32:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: shll $4, %eax
+; X64-NEXT: retq
+ %c = shl i32 %a, 4
+ ret i32 %c
+}
+
+define i64 @shl_imm4_i64(i64 %a) {
+; SDAG-X86-LABEL: shl_imm4_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: shldl $4, %eax, %edx
+; SDAG-X86-NEXT: shll $4, %eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: shl_imm4_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shldl $4, %eax, %edx
+; FASTISEL-X86-NEXT: shll $4, %eax
+; FASTISEL-X86-NEXT: retl
+;
+; X64-LABEL: shl_imm4_i64:
+; X64: ## %bb.0:
+; X64-NEXT: movq %rdi, %rax
+; X64-NEXT: shlq $4, %rax
+; X64-NEXT: retq
+ %c = shl i64 %a, 4
+ ret i64 %c
+}
+
+define i8 @lshr_imm4_i8(i8 %a) {
+; X86-LABEL: lshr_imm4_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shrb $4, %al
+; X86-NEXT: retl
+;
+; X64-LABEL: lshr_imm4_i8:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: shrb $4, %al
+; X64-NEXT: ## kill: def $al killed $al killed $eax
+; X64-NEXT: retq
+ %c = lshr i8 %a, 4
+ ret i8 %c
+}
+
+define i16 @lshr_imm4_i16(i16 %a) {
+; SDAG-X86-LABEL: lshr_imm4_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shrl $4, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_imm4_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrw $4, %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: lshr_imm4_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movzwl %di, %eax
+; SDAG-X64-NEXT: shrl $4, %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: lshr_imm4_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: shrw $4, %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: lshr_imm4_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: shrw $4, %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = lshr i16 %a, 4
+ ret i16 %c
+}
+
+define i32 @lshr_imm4_i32(i32 %a) {
+; X86-LABEL: lshr_imm4_i32:
+; X86: ## %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: shrl $4, %eax
+; X86-NEXT: retl
+;
+; X64-LABEL: lshr_imm4_i32:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: shrl $4, %eax
+; X64-NEXT: retq
+ %c = lshr i32 %a, 4
+ ret i32 %c
+}
+
+define i64 @lshr_imm4_i64(i64 %a) {
+; SDAG-X86-LABEL: lshr_imm4_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: shrdl $4, %edx, %eax
+; SDAG-X86-NEXT: shrl $4, %edx
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: lshr_imm4_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrdl $4, %edx, %eax
+; FASTISEL-X86-NEXT: shrl $4, %edx
+; FASTISEL-X86-NEXT: retl
+;
+; X64-LABEL: lshr_imm4_i64:
+; X64: ## %bb.0:
+; X64-NEXT: movq %rdi, %rax
+; X64-NEXT: shrq $4, %rax
+; X64-NEXT: retq
+ %c = lshr i64 %a, 4
+ ret i64 %c
+}
+
+define i8 @ashr_imm4_i8(i8 %a) {
+; X86-LABEL: ashr_imm4_i8:
+; X86: ## %bb.0:
+; X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: sarb $4, %al
+; X86-NEXT: retl
+;
+; X64-LABEL: ashr_imm4_i8:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: sarb $4, %al
+; X64-NEXT: ## kill: def $al killed $al killed $eax
+; X64-NEXT: retq
+ %c = ashr i8 %a, 4
+ ret i8 %c
+}
+
+define i16 @ashr_imm4_i16(i16 %a) {
+; SDAG-X86-LABEL: ashr_imm4_i16:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movswl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: shrl $4, %eax
+; SDAG-X86-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_imm4_i16:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: sarw $4, %ax
+; FASTISEL-X86-NEXT: retl
+;
+; SDAG-X64-LABEL: ashr_imm4_i16:
+; SDAG-X64: ## %bb.0:
+; SDAG-X64-NEXT: movswl %di, %eax
+; SDAG-X64-NEXT: shrl $4, %eax
+; SDAG-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; SDAG-X64-NEXT: retq
+;
+; FASTISEL-X64-LABEL: ashr_imm4_i16:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: sarw $4, %ax
+; FASTISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: ashr_imm4_i16:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: sarw $4, %ax
+; GISEL-X64-NEXT: ## kill: def $ax killed $ax killed $eax
+; GISEL-X64-NEXT: retq
+ %c = ashr i16 %a, 4
+ ret i16 %c
+}
+
+define i32 @ashr_imm4_i32(i32 %a) {
+; X86-LABEL: ashr_imm4_i32:
+; X86: ## %bb.0:
+; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT: sarl $4, %eax
+; X86-NEXT: retl
+;
+; X64-LABEL: ashr_imm4_i32:
+; X64: ## %bb.0:
+; X64-NEXT: movl %edi, %eax
+; X64-NEXT: sarl $4, %eax
+; X64-NEXT: retq
+ %c = ashr i32 %a, 4
+ ret i32 %c
+}
+
+define i64 @ashr_imm4_i64(i64 %a) {
+; SDAG-X86-LABEL: ashr_imm4_i64:
+; SDAG-X86: ## %bb.0:
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; SDAG-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; SDAG-X86-NEXT: shrdl $4, %edx, %eax
+; SDAG-X86-NEXT: sarl $4, %edx
+; SDAG-X86-NEXT: retl
+;
+; FASTISEL-X86-LABEL: ashr_imm4_i64:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %edx
+; FASTISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: shrdl $4, %edx, %eax
+; FASTISEL-X86-NEXT: sarl $4, %edx
+; FASTISEL-X86-NEXT: retl
+;
+; X64-LABEL: ashr_imm4_i64:
+; X64: ## %bb.0:
+; X64-NEXT: movq %rdi, %rax
+; X64-NEXT: sarq $4, %rax
+; X64-NEXT: retq
+ %c = ashr i64 %a, 4
+ ret i64 %c
+}
+
+define i8 @PR36731(i8 %a) {
+; SDAG-LABEL: PR36731:
+; SDAG: ## %bb.0:
+; SDAG-NEXT: ret{{[l|q]}}
+;
+; FASTISEL-X86-LABEL: PR36731:
+; FASTISEL-X86: ## %bb.0:
+; FASTISEL-X86-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; FASTISEL-X86-NEXT: movb $255, %cl
+; FASTISEL-X86-NEXT: shlb %cl, %al
+; FASTISEL-X86-NEXT: retl
+;
+; FASTISEL-X64-LABEL: PR36731:
+; FASTISEL-X64: ## %bb.0:
+; FASTISEL-X64-NEXT: movl %edi, %eax
+; FASTISEL-X64-NEXT: movb $255, %cl
+; FASTISEL-X64-NEXT: shlb %cl, %al
+; FASTISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; FASTISEL-X64-NEXT: retq
+;
+; GISEL-X64-LABEL: PR36731:
+; GISEL-X64: ## %bb.0:
+; GISEL-X64-NEXT: movl %edi, %eax
+; GISEL-X64-NEXT: shlb $255, %al
+; GISEL-X64-NEXT: ## kill: def $al killed $al killed $eax
+; GISEL-X64-NEXT: retq
+ %b = shl i8 %a, -1
+ ret i8 %b
+}
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