| ; 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 |
