[llvm] r267417 - [x86] auto-generate checks for cmov tests

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Mon Apr 25 08:26:58 PDT 2016


Author: spatel
Date: Mon Apr 25 10:26:57 2016
New Revision: 267417

URL: http://llvm.org/viewvc/llvm-project?rev=267417&view=rev
Log:
[x86] auto-generate checks for cmov tests

Modified:
    llvm/trunk/test/CodeGen/X86/cmov-into-branch.ll

Modified: llvm/trunk/test/CodeGen/X86/cmov-into-branch.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/cmov-into-branch.ll?rev=267417&r1=267416&r2=267417&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/cmov-into-branch.ll (original)
+++ llvm/trunk/test/CodeGen/X86/cmov-into-branch.ll Mon Apr 25 10:26:57 2016
@@ -1,48 +1,66 @@
-; RUN: llc -march=x86-64 -mcpu=core2 < %s | FileCheck %s
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
 
 ; cmp with single-use load, should not form branch.
 define i32 @test1(double %a, double* nocapture %b, i32 %x, i32 %y)  {
+; CHECK-LABEL: test1:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    ucomisd (%rdi), %xmm0
+; CHECK-NEXT:    cmovbel %edx, %esi
+; CHECK-NEXT:    movl %esi, %eax
+; CHECK-NEXT:    retq
+;
   %load = load double, double* %b, align 8
   %cmp = fcmp olt double %load, %a
   %cond = select i1 %cmp, i32 %x, i32 %y
   ret i32 %cond
-; CHECK-LABEL: test1:
-; CHECK: ucomisd
-; CHECK: cmovbel
 }
 
 ; Sanity check: no load.
 define i32 @test2(double %a, double %b, i32 %x, i32 %y)  {
+; CHECK-LABEL: test2:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    ucomisd %xmm1, %xmm0
+; CHECK-NEXT:    cmovbel %esi, %edi
+; CHECK-NEXT:    movl %edi, %eax
+; CHECK-NEXT:    retq
+;
   %cmp = fcmp ogt double %a, %b
   %cond = select i1 %cmp, i32 %x, i32 %y
   ret i32 %cond
-; CHECK-LABEL: test2:
-; CHECK: ucomisd
-; CHECK: cmov
 }
 
 ; Multiple uses of the load.
 define i32 @test4(i32 %a, i32* nocapture %b, i32 %x, i32 %y)  {
+; CHECK-LABEL: test4:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    movl (%rsi), %eax
+; CHECK-NEXT:    cmpl %edi, %eax
+; CHECK-NEXT:    cmovael %ecx, %edx
+; CHECK-NEXT:    addl %edx, %eax
+; CHECK-NEXT:    retq
+;
   %load = load i32, i32* %b, align 4
   %cmp = icmp ult i32 %load, %a
   %cond = select i1 %cmp, i32 %x, i32 %y
   %add = add i32 %cond, %load
   ret i32 %add
-; CHECK-LABEL: test4:
-; CHECK: cmpl
-; CHECK: cmov
 }
 
 ; Multiple uses of the cmp.
 define i32 @test5(i32 %a, i32* nocapture %b, i32 %x, i32 %y) {
+; CHECK-LABEL: test5:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    cmpl %edi, (%rsi)
+; CHECK-NEXT:    cmoval %edi, %ecx
+; CHECK-NEXT:    cmovael %edx, %ecx
+; CHECK-NEXT:    movl %ecx, %eax
+; CHECK-NEXT:    retq
+;
   %load = load i32, i32* %b, align 4
   %cmp = icmp ult i32 %load, %a
   %cmp1 = icmp ugt i32 %load, %a
   %cond = select i1 %cmp1, i32 %a, i32 %y
   %cond5 = select i1 %cmp, i32 %cond, i32 %x
   ret i32 %cond5
-; CHECK-LABEL: test5:
-; CHECK: cmpl
-; CHECK: cmov
-; CHECK: cmov
 }




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