From d33969c6c7b66e5354c945d351bd02d492930b54 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Sun, 25 Jun 2017 16:12:45 +0000 Subject: [PATCH] [X86] Add test case for PR15705 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306246 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/pr15705.ll | 48 +++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 test/CodeGen/X86/pr15705.ll diff --git a/test/CodeGen/X86/pr15705.ll b/test/CodeGen/X86/pr15705.ll new file mode 100644 index 00000000000..e728bc8d34c --- /dev/null +++ b/test/CodeGen/X86/pr15705.ll @@ -0,0 +1,48 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 + +define i32 @PR15705(i32 %x, i32 %a, i32 %b, i32 %c) #0 { +; X86-LABEL: PR15705: +; X86: # BB#0: # %entry +; X86-NEXT: movl {{[0-9]+}}(%esp), %eax +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl {{[0-9]+}}(%esp), %edx +; X86-NEXT: cmpl %ecx, %edx +; X86-NEXT: je .LBB0_4 +; X86-NEXT: # BB#1: # %if.end +; X86-NEXT: cmpl %eax, %edx +; X86-NEXT: jne .LBB0_3 +; X86-NEXT: # BB#2: +; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: .LBB0_3: # %if.end +; X86-NEXT: movl %ecx, %eax +; X86-NEXT: .LBB0_4: # %return +; X86-NEXT: retl +; +; X64-LABEL: PR15705: +; X64: # BB#0: # %entry +; X64-NEXT: cmpl %esi, %edi +; X64-NEXT: je .LBB0_2 +; X64-NEXT: # BB#1: # %if.end +; X64-NEXT: cmpl %edx, %edi +; X64-NEXT: cmovel %ecx, %esi +; X64-NEXT: movl %esi, %edx +; X64-NEXT: .LBB0_2: # %return +; X64-NEXT: movl %edx, %eax +; X64-NEXT: retq +entry: + %cmp = icmp eq i32 %x, %a + br i1 %cmp, label %return, label %if.end + +if.end: + %cmp1 = icmp eq i32 %x, %b + %c.a = select i1 %cmp1, i32 %c, i32 %a + br label %return + +return: + %retval.0 = phi i32 [ %b, %entry ], [ %c.a, %if.end ] + ret i32 %retval.0 +} + +attributes #0 = { nounwind readnone ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } -- 2.40.0