forked from OSchip/llvm-project
30 lines
651 B
LLVM
30 lines
651 B
LLVM
|
; RUN: opt -verify-memoryssa -enable-mssa-loop-dependency -loop-rotate %s -S | FileCheck %s
|
||
|
|
; REQUIRES: asserts
|
||
|
|
|
||
|
|
; CHECK-LABEL: @test()
|
||
|
|
define dso_local void @test() {
|
||
|
|
entry:
|
||
|
|
br label %preheader
|
||
|
|
|
||
|
|
preheader:
|
||
|
|
br label %l39
|
||
|
|
|
||
|
|
l39:
|
||
|
|
%v40 = phi float (float)* [ @foo, %preheader ], [ %v43, %crit_edge ]
|
||
|
|
%v41 = call float %v40(float undef)
|
||
|
|
%v42 = load i32, i32* undef, align 8
|
||
|
|
br i1 undef, label %crit_edge, label %loopexit
|
||
|
|
|
||
|
|
crit_edge:
|
||
|
|
%v43 = load float (float)*, float (float)** undef, align 8
|
||
|
|
br label %l39
|
||
|
|
|
||
|
|
loopexit:
|
||
|
|
unreachable
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: readnone
|
||
|
|
declare dso_local float @foo(float) #0 align 32
|
||
|
|
|
||
|
|
attributes #0 = { readnone }
|