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llvm-mirror/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

28 lines
879 B
LLVM

; RUN: opt -S < %s -load-store-vectorizer | FileCheck %s
; RUN: opt -S < %s -passes='function(load-store-vectorizer)' | FileCheck %s
declare void @llvm.sideeffect()
; load-store vectorization across a @llvm.sideeffect.
; CHECK-LABEL: test
; CHECK: load <4 x float>
; CHECK: store <4 x float>
define void @test(float* %p) {
%p0 = getelementptr float, float* %p, i64 0
%p1 = getelementptr float, float* %p, i64 1
%p2 = getelementptr float, float* %p, i64 2
%p3 = getelementptr float, float* %p, i64 3
%l0 = load float, float* %p0, align 16
%l1 = load float, float* %p1
%l2 = load float, float* %p2
call void @llvm.sideeffect()
%l3 = load float, float* %p3
store float %l0, float* %p0, align 16
call void @llvm.sideeffect()
store float %l1, float* %p1
store float %l2, float* %p2
store float %l3, float* %p3
ret void
}