[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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