| ; RUN: llc -mtriple=i686-- -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 @test1(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 | |
| } | |
| ; 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 |