[llvm] r345087 - [X86] Autogenerate comple checks. NFC
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Tue Oct 23 14:58:50 PDT 2018
Author: ctopper
Date: Tue Oct 23 14:58:49 2018
New Revision: 345087
URL: http://llvm.org/viewvc/llvm-project?rev=345087&view=rev
Log:
[X86] Autogenerate comple checks. NFC
Modified:
llvm/trunk/test/CodeGen/X86/crash-O0.ll
Modified: llvm/trunk/test/CodeGen/X86/crash-O0.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/crash-O0.ll?rev=345087&r1=345086&r2=345087&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/crash-O0.ll (original)
+++ llvm/trunk/test/CodeGen/X86/crash-O0.ll Tue Oct 23 14:58:49 2018
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O0 -relocation-model=pic -disable-fp-elim < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10"
@@ -9,6 +10,35 @@ target triple = "x86_64-apple-darwin10"
; aliased registers (AX and AL) - RegAllocFast does not like that.
; PR7312
define i32 @div8() nounwind {
+; CHECK-LABEL: div8:
+; CHECK: ## %bb.0: ## %entry
+; CHECK-NEXT: pushq %rbp
+; CHECK-NEXT: movq %rsp, %rbp
+; CHECK-NEXT: xorl %eax, %eax
+; CHECK-NEXT: movb %al, %cl
+; CHECK-NEXT: ## implicit-def: $rdx
+; CHECK-NEXT: movb %dl, %sil
+; CHECK-NEXT: movzbw %cl, %ax
+; CHECK-NEXT: divb %sil
+; CHECK-NEXT: movb %al, {{[-0-9]+}}(%r{{[sb]}}p) ## 1-byte Spill
+; CHECK-NEXT: movzbw %cl, %ax
+; CHECK-NEXT: divb %sil
+; CHECK-NEXT: shrw $8, %ax
+; CHECK-NEXT: movb %al, %cl
+; CHECK-NEXT: cmpb %sil, %cl
+; CHECK-NEXT: jae LBB0_2
+; CHECK-NEXT: ## %bb.1: ## %"39"
+; CHECK-NEXT: movb {{[-0-9]+}}(%r{{[sb]}}p), %al ## 1-byte Reload
+; CHECK-NEXT: movzbl %al, %ecx
+; CHECK-NEXT: ## implicit-def: $edx
+; CHECK-NEXT: imull %edx, %ecx
+; CHECK-NEXT: addl %edx, %ecx
+; CHECK-NEXT: cmpl %edx, %ecx
+; CHECK-NEXT: je LBB0_3
+; CHECK-NEXT: LBB0_2: ## %"40"
+; CHECK-NEXT: ud2
+; CHECK-NEXT: LBB0_3: ## %"41"
+; CHECK-NEXT: ud2
entry:
%0 = trunc i64 undef to i8 ; <i8> [#uses=3]
%1 = udiv i8 0, %0 ; <i8> [#uses=1]
@@ -38,12 +68,22 @@ entry:
; An instruction gets between CQO and DIV64 because the load is folded
; into the division but it requires a sign extension.
; PR21700
-; CHECK-LABEL: addressModeWith32bitIndex:
-; CHECK: cqto
-; CHECK-NEXT: movslq
-; CHECK-NEXT: idivq
-; CHECK: retq
define i64 @addressModeWith32bitIndex(i32 %V) {
+; CHECK-LABEL: addressModeWith32bitIndex:
+; CHECK: ## %bb.0:
+; CHECK-NEXT: pushq %rbp
+; CHECK-NEXT: .cfi_def_cfa_offset 16
+; CHECK-NEXT: .cfi_offset %rbp, -16
+; CHECK-NEXT: movq %rsp, %rbp
+; CHECK-NEXT: .cfi_def_cfa_register %rbp
+; CHECK-NEXT: xorl %eax, %eax
+; CHECK-NEXT: movl %eax, %ecx
+; CHECK-NEXT: movq %rcx, %rax
+; CHECK-NEXT: cqto
+; CHECK-NEXT: movslq %edi, %rsi
+; CHECK-NEXT: idivq (%rcx,%rsi,8)
+; CHECK-NEXT: popq %rbp
+; CHECK-NEXT: retq
%gep = getelementptr i64, i64* null, i32 %V
%load = load i64, i64* %gep
%sdiv = sdiv i64 0, %load
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