diff options
Diffstat (limited to 'test/CodeGen/X86/switch-or.ll')
| -rw-r--r-- | test/CodeGen/X86/switch-or.ll | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/test/CodeGen/X86/switch-or.ll b/test/CodeGen/X86/switch-or.ll index 6e6b013d9fa89..4642accfff8d9 100644 --- a/test/CodeGen/X86/switch-or.ll +++ b/test/CodeGen/X86/switch-or.ll @@ -1,10 +1,11 @@ ; RUN: llc -march=x86 -asm-verbose=false < %s | FileCheck %s ; Check that merging switch cases that differ in one bit works. +; CHECK-LABEL: test1 ; CHECK: orl $2 ; CHECK-NEXT: cmpl $6 -define void @foo(i32 %variable) nounwind { +define void @test1(i32 %variable) nounwind { entry: switch i32 %variable, label %if.end [ i32 4, label %if.then @@ -19,4 +20,22 @@ if.end: ret void } +; CHECK-LABEL: test2 +; CHECK: orl $-2147483648 +; CHECK-NEXT: cmpl $-2147483648 +define void @test2(i32 %variable) nounwind { +entry: + switch i32 %variable, label %if.end [ + i32 0, label %if.then + i32 -2147483648, label %if.then + ] + +if.then: + %call = tail call i32 (...) @bar() nounwind + ret void + +if.end: + ret void +} + declare i32 @bar(...) nounwind |