diff options
Diffstat (limited to 'test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll')
| -rw-r--r-- | test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll b/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll new file mode 100644 index 0000000..10b00ba --- /dev/null +++ b/test/Transforms/LICM/2008-07-22-LoadGlobalConstant.ll @@ -0,0 +1,39 @@ +; RUN: opt < %s -licm -S | FileCheck %s + +@a = external constant float* + +define void @test(i32 %count) { +entry: + br label %forcond + +; CHECK: %tmp3 = load float** @a +; CHECK: br label %forcond + +forcond: + %i.0 = phi i32 [ 0, %entry ], [ %inc, %forbody ] + %cmp = icmp ult i32 %i.0, %count + br i1 %cmp, label %forbody, label %afterfor + +; CHECK: %i.0 = phi i32 [ 0, %entry ], [ %inc, %forbody ] +; CHECK: %cmp = icmp ult i32 %i.0, %count +; CHECK: br i1 %cmp, label %forbody, label %afterfor + +forbody: + %tmp3 = load float** @a + %arrayidx = getelementptr float* %tmp3, i32 %i.0 + %tmp7 = uitofp i32 %i.0 to float + store float %tmp7, float* %arrayidx + %inc = add i32 %i.0, 1 + br label %forcond + +; CHECK: %arrayidx = getelementptr float* %tmp3, i32 %i.0 +; CHECK: %tmp7 = uitofp i32 %i.0 to float +; CHECK: store float %tmp7, float* %arrayidx +; CHECK: %inc = add i32 %i.0, 1 +; CHECK: br label %forcond + +afterfor: + ret void +} + +; CHECK: ret void |