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Diffstat (limited to 'test/CodeGen/X86/switch-or.ll')
| -rw-r--r-- | test/CodeGen/X86/switch-or.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/switch-or.ll b/test/CodeGen/X86/switch-or.ll new file mode 100644 index 0000000000..75832c7d30 --- /dev/null +++ b/test/CodeGen/X86/switch-or.ll @@ -0,0 +1,22 @@ +; RUN: llc -march=x86 -asm-verbose=false < %s | FileCheck %s + +; Check that merging switch cases that differ in one bit works. +; CHECK: orl $2 +; CHECK-NEXT: cmpl $6 + +define void @foo(i32 %variable) nounwind { +entry: + switch i32 %variable, label %if.end [ + i32 4, label %if.then + i32 6, label %if.then + ] + +if.then: + %call = tail call i32 (...)* @bar() nounwind + ret void + +if.end: + ret void +} + +declare i32 @bar(...) nounwind |