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| author | Sanjay Patel <spatel@rotateright.com> | 2017-03-04 00:06:37 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-03-04 00:06:37 +0000 |
| commit | 71c1958fca2852cd418f89250547861b7c9bb016 (patch) | |
| tree | cb040e3fc8fdc1b743b9397ece4c8aee597a4933 /llvm | |
| parent | 9739a552c24a63c8a7070c04fdfde438472bb6e7 (diff) | |
| download | bcm5719-llvm-71c1958fca2852cd418f89250547861b7c9bb016.tar.gz bcm5719-llvm-71c1958fca2852cd418f89250547861b7c9bb016.zip | |
[x86] add test to show failed recognition of commuted pattern; NFC
llvm-svn: 296931
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/CodeGen/X86/conditional-indecrement.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/conditional-indecrement.ll b/llvm/test/CodeGen/X86/conditional-indecrement.ll index 8397c6bb1e4..1dc083290f2 100644 --- a/llvm/test/CodeGen/X86/conditional-indecrement.ll +++ b/llvm/test/CodeGen/X86/conditional-indecrement.ll @@ -14,6 +14,20 @@ define i32 @test1(i32 %a, i32 %b) nounwind readnone { ret i32 %retval.0 } +define i32 @test1_commute(i32 %a, i32 %b) nounwind readnone { +; CHECK-LABEL: test1_commute: +; CHECK: # BB#0: +; CHECK-NEXT: xorl %eax, %eax +; CHECK-NEXT: testl %edi, %edi +; CHECK-NEXT: setne %al +; CHECK-NEXT: addl %esi, %eax +; CHECK-NEXT: retq + %cmp = icmp ne i32 %a, 0 + %inc = zext i1 %cmp to i32 + %ret = add i32 %b, %inc + ret i32 %ret +} + define i32 @test2(i32 %a, i32 %b) nounwind readnone { ; CHECK-LABEL: test2: ; CHECK: # BB#0: |
