llvm-project/llvm/test/Transforms/LICM/2008-07-22-LoadGlobalConsta...

24 lines
636 B
LLVM

; RUN: llvm-as < %s | opt -licm -enable-licm-constant-variables | llvm-dis | grep -A 1 entry | grep load.*@a
@a = external constant float*
define void @test(i32 %count) {
entry:
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
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
afterfor:
ret void
}