[llvm] 7da51a7 - Reference: not-shift.ll before new peepholes.
Phoebe Wang via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 20 18:35:53 PST 2022
Author: Noah Goldstein
Date: 2022-12-21T10:35:47+08:00
New Revision: 7da51a7ed35c61339e612326c03d3529a6aa2a7f
URL: https://github.com/llvm/llvm-project/commit/7da51a7ed35c61339e612326c03d3529a6aa2a7f
DIFF: https://github.com/llvm/llvm-project/commit/7da51a7ed35c61339e612326c03d3529a6aa2a7f.diff
LOG: Reference: not-shift.ll before new peepholes.
Differential Revision: https://reviews.llvm.org/D140362
Added:
llvm/test/CodeGen/X86/not-shift.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/not-shift.ll b/llvm/test/CodeGen/X86/not-shift.ll
new file mode 100644
index 000000000000..b0c93a73d15b
--- /dev/null
+++ b/llvm/test/CodeGen/X86/not-shift.ll
@@ -0,0 +1,643 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X86-NOBMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X86-BMI2
+; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X86-BMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=-bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,-bmi2 < %s | FileCheck %s --check-prefixes=X64-NOBMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X64-BMI2
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mattr=+bmi,+bmi2 < %s | FileCheck %s --check-prefixes=X64-BMI2
+
+
+
+define i64 @sub63_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub63_shiftl64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT: movb $63, %cl
+; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI2-NEXT: movl %esi, %eax
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB0_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %eax, %edx
+; X86-NOBMI2-NEXT: xorl %eax, %eax
+; X86-NOBMI2-NEXT: .LBB0_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: sub63_shiftl64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movb $63, %cl
+; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB0_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %eax, %edx
+; X86-BMI2-NEXT: xorl %eax, %eax
+; X86-BMI2-NEXT: .LBB0_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: sub63_shiftl64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: movb $63, %cl
+; X64-NOBMI2-NEXT: subb %sil, %cl
+; X64-NOBMI2-NEXT: shlq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: sub63_shiftl64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: movb $63, %al
+; X64-BMI2-NEXT: subb %sil, %al
+; X64-BMI2-NEXT: shlxq %rax, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = sub i64 63, %cnt
+ %result = shl i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i64 @xor63_shiftr64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor63_shiftr64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $63, %cl
+; X86-NOBMI2-NEXT: movl %esi, %edx
+; X86-NOBMI2-NEXT: shrl %cl, %edx
+; X86-NOBMI2-NEXT: shrdl %cl, %esi, %eax
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB1_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %edx, %eax
+; X86-NOBMI2-NEXT: xorl %edx, %edx
+; X86-NOBMI2-NEXT: .LBB1_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor63_shiftr64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT: xorb $63, %cl
+; X86-BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB1_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %edx, %eax
+; X86-BMI2-NEXT: xorl %edx, %edx
+; X86-BMI2-NEXT: .LBB1_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor63_shiftr64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rsi, %rcx
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: xorb $63, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT: shrq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor63_shiftr64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $63, %sil
+; X64-BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i64 %cnt, 63
+ %result = lshr i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i64 @sub127_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub127_shiftl64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $127, %cl
+; X86-NOBMI2-NEXT: movl %esi, %eax
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB2_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %eax, %edx
+; X86-NOBMI2-NEXT: xorl %eax, %eax
+; X86-NOBMI2-NEXT: .LBB2_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: sub127_shiftl64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT: xorb $127, %cl
+; X86-BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB2_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %eax, %edx
+; X86-BMI2-NEXT: xorl %eax, %eax
+; X86-BMI2-NEXT: .LBB2_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: sub127_shiftl64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rsi, %rcx
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: xorb $127, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT: shlq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: sub127_shiftl64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $127, %sil
+; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = sub i64 127, %cnt
+ %result = shl i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i64 @xor127_shiftr64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor127_shiftr64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $127, %cl
+; X86-NOBMI2-NEXT: movl %esi, %edx
+; X86-NOBMI2-NEXT: shrl %cl, %edx
+; X86-NOBMI2-NEXT: shrdl %cl, %esi, %eax
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB3_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %edx, %eax
+; X86-NOBMI2-NEXT: xorl %edx, %edx
+; X86-NOBMI2-NEXT: .LBB3_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor127_shiftr64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT: xorb $127, %cl
+; X86-BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB3_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %edx, %eax
+; X86-BMI2-NEXT: xorl %edx, %edx
+; X86-BMI2-NEXT: .LBB3_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor127_shiftr64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rsi, %rcx
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: xorb $127, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT: shrq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor127_shiftr64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $127, %sil
+; X64-BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i64 %cnt, 127
+ %result = lshr i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i64 @xor64_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor64_shiftl64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $64, %cl
+; X86-NOBMI2-NEXT: movl %esi, %eax
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB4_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %eax, %edx
+; X86-NOBMI2-NEXT: xorl %eax, %eax
+; X86-NOBMI2-NEXT: .LBB4_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor64_shiftl64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT: xorb $64, %cl
+; X86-BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB4_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %eax, %edx
+; X86-BMI2-NEXT: xorl %eax, %eax
+; X86-BMI2-NEXT: .LBB4_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor64_shiftl64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rsi, %rcx
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: xorb $64, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT: shlq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor64_shiftl64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $64, %sil
+; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i64 %cnt, 64
+ %result = shl i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i64 @sub1s_shiftr64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub1s_shiftr64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: notb %cl
+; X86-NOBMI2-NEXT: movl %esi, %edx
+; X86-NOBMI2-NEXT: shrl %cl, %edx
+; X86-NOBMI2-NEXT: shrdl %cl, %esi, %eax
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB5_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %edx, %eax
+; X86-NOBMI2-NEXT: xorl %edx, %edx
+; X86-NOBMI2-NEXT: .LBB5_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: sub1s_shiftr64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT: notb %cl
+; X86-BMI2-NEXT: shrdl %cl, %edx, %eax
+; X86-BMI2-NEXT: shrxl %ecx, %edx, %edx
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB5_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %edx, %eax
+; X86-BMI2-NEXT: xorl %edx, %edx
+; X86-BMI2-NEXT: .LBB5_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: sub1s_shiftr64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rsi, %rcx
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: notb %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT: shrq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: sub1s_shiftr64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: notb %sil
+; X64-BMI2-NEXT: shrxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i64 %cnt, -1
+ %result = lshr i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i64 @xor1s_shiftl64(i64 %val, i64 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor1s_shiftl64:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: pushl %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %esi
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: notb %cl
+; X86-NOBMI2-NEXT: movl %esi, %eax
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: shldl %cl, %esi, %edx
+; X86-NOBMI2-NEXT: testb $32, %cl
+; X86-NOBMI2-NEXT: je .LBB6_2
+; X86-NOBMI2-NEXT: # %bb.1:
+; X86-NOBMI2-NEXT: movl %eax, %edx
+; X86-NOBMI2-NEXT: xorl %eax, %eax
+; X86-NOBMI2-NEXT: .LBB6_2:
+; X86-NOBMI2-NEXT: popl %esi
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor1s_shiftl64:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: movl {{[0-9]+}}(%esp), %edx
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-BMI2-NEXT: notb %cl
+; X86-BMI2-NEXT: shldl %cl, %eax, %edx
+; X86-BMI2-NEXT: shlxl %ecx, %eax, %eax
+; X86-BMI2-NEXT: testb $32, %cl
+; X86-BMI2-NEXT: je .LBB6_2
+; X86-BMI2-NEXT: # %bb.1:
+; X86-BMI2-NEXT: movl %eax, %edx
+; X86-BMI2-NEXT: xorl %eax, %eax
+; X86-BMI2-NEXT: .LBB6_2:
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor1s_shiftl64:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movq %rsi, %rcx
+; X64-NOBMI2-NEXT: movq %rdi, %rax
+; X64-NOBMI2-NEXT: notb %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $rcx
+; X64-NOBMI2-NEXT: shlq %cl, %rax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor1s_shiftl64:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: notb %sil
+; X64-BMI2-NEXT: shlxq %rsi, %rdi, %rax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i64 %cnt, -1
+ %result = shl i64 %val, %adjcnt
+ ret i64 %result
+}
+
+define i32 @sub31_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub31_shiftr32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movb $31, %cl
+; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI2-NEXT: shrl %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: sub31_shiftr32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movb $31, %al
+; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %al
+; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: sub31_shiftr32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: movb $31, %cl
+; X64-NOBMI2-NEXT: subb %sil, %cl
+; X64-NOBMI2-NEXT: shrl %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: sub31_shiftr32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: movb $31, %al
+; X64-BMI2-NEXT: subb %sil, %al
+; X64-BMI2-NEXT: shrxl %eax, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = sub i32 31, %cnt
+ %result = lshr i32 %val, %adjcnt
+ ret i32 %result
+}
+
+define i32 @xor31_shiftl32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor31_shiftl32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $31, %cl
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor31_shiftl32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: xorb $31, %al
+; X86-BMI2-NEXT: shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor31_shiftl32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %esi, %ecx
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: xorb $31, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT: shll %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor31_shiftl32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $31, %sil
+; X64-BMI2-NEXT: shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i32 %cnt, 31
+ %result = shl i32 %val, %adjcnt
+ ret i32 %result
+}
+
+define i32 @sub63_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub63_shiftr32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movb $63, %cl
+; X86-NOBMI2-NEXT: subb {{[0-9]+}}(%esp), %cl
+; X86-NOBMI2-NEXT: shrl %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: sub63_shiftr32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movb $63, %al
+; X86-BMI2-NEXT: subb {{[0-9]+}}(%esp), %al
+; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: sub63_shiftr32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: movb $63, %cl
+; X64-NOBMI2-NEXT: subb %sil, %cl
+; X64-NOBMI2-NEXT: shrl %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: sub63_shiftr32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: movb $63, %al
+; X64-BMI2-NEXT: subb %sil, %al
+; X64-BMI2-NEXT: shrxl %eax, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = sub i32 63, %cnt
+ %result = lshr i32 %val, %adjcnt
+ ret i32 %result
+}
+
+define i32 @xor63_shiftl32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor63_shiftl32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $63, %cl
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor63_shiftl32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: xorb $63, %al
+; X86-BMI2-NEXT: shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor63_shiftl32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %esi, %ecx
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: xorb $63, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT: shll %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor63_shiftl32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $63, %sil
+; X64-BMI2-NEXT: shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i32 %cnt, 63
+ %result = shl i32 %val, %adjcnt
+ ret i32 %result
+}
+
+define i32 @xor32_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor32_shiftr32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: xorb $32, %cl
+; X86-NOBMI2-NEXT: shrl %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor32_shiftr32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: xorb $32, %al
+; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor32_shiftr32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %esi, %ecx
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: xorb $32, %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT: shrl %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor32_shiftr32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: xorb $32, %sil
+; X64-BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i32 %cnt, 32
+ %result = lshr i32 %val, %adjcnt
+ ret i32 %result
+}
+
+define i32 @sub1s_shiftl32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: sub1s_shiftl32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: notb %cl
+; X86-NOBMI2-NEXT: shll %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: sub1s_shiftl32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: notb %al
+; X86-BMI2-NEXT: shlxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: sub1s_shiftl32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %esi, %ecx
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: notb %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT: shll %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: sub1s_shiftl32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: notb %sil
+; X64-BMI2-NEXT: shlxl %esi, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i32 %cnt, -1
+ %result = shl i32 %val, %adjcnt
+ ret i32 %result
+}
+
+define i32 @xor1s_shiftr32(i32 %val, i32 %cnt) nounwind {
+; X86-NOBMI2-LABEL: xor1s_shiftr32:
+; X86-NOBMI2: # %bb.0:
+; X86-NOBMI2-NEXT: movl {{[0-9]+}}(%esp), %eax
+; X86-NOBMI2-NEXT: movzbl {{[0-9]+}}(%esp), %ecx
+; X86-NOBMI2-NEXT: notb %cl
+; X86-NOBMI2-NEXT: shrl %cl, %eax
+; X86-NOBMI2-NEXT: retl
+;
+; X86-BMI2-LABEL: xor1s_shiftr32:
+; X86-BMI2: # %bb.0:
+; X86-BMI2-NEXT: movzbl {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: notb %al
+; X86-BMI2-NEXT: shrxl %eax, {{[0-9]+}}(%esp), %eax
+; X86-BMI2-NEXT: retl
+;
+; X64-NOBMI2-LABEL: xor1s_shiftr32:
+; X64-NOBMI2: # %bb.0:
+; X64-NOBMI2-NEXT: movl %esi, %ecx
+; X64-NOBMI2-NEXT: movl %edi, %eax
+; X64-NOBMI2-NEXT: notb %cl
+; X64-NOBMI2-NEXT: # kill: def $cl killed $cl killed $ecx
+; X64-NOBMI2-NEXT: shrl %cl, %eax
+; X64-NOBMI2-NEXT: retq
+;
+; X64-BMI2-LABEL: xor1s_shiftr32:
+; X64-BMI2: # %bb.0:
+; X64-BMI2-NEXT: notb %sil
+; X64-BMI2-NEXT: shrxl %esi, %edi, %eax
+; X64-BMI2-NEXT: retq
+ %adjcnt = xor i32 %cnt, -1
+ %result = lshr i32 %val, %adjcnt
+ ret i32 %result
+}
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