loop-rotate-simplified-clone.ll
651 Bytes
; 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 }