llvm-project/llvm/test/Transforms/SROA/vector-lifetime-intrinsic.ll

33 lines
1.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=sroa -S < %s | FileCheck %s
target datalayout = "e-p:64:32-i64:32-v32:32-n32-S64"
; Function Attrs: nounwind
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #0
; Function Attrs: nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #0
define void @wombat(<4 x float> %arg1) {
; CHECK-LABEL: @wombat(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP_0_VEC_EXTRACT:%.*]] = shufflevector <4 x float> [[ARG1:%.*]], <4 x float> poison, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: call void @wombat3(<3 x float> [[TMP_0_VEC_EXTRACT]])
; CHECK-NEXT: ret void
;
bb:
%tmp = alloca <4 x float>, align 16
call void @llvm.lifetime.start.p0(i64 16, ptr %tmp)
store <4 x float> %arg1, ptr %tmp, align 16
%tmp18 = load <3 x float>, ptr %tmp
call void @llvm.lifetime.end.p0(i64 16, ptr %tmp)
call void @wombat3(<3 x float> %tmp18)
ret void
}
; Function Attrs: nounwind
declare void @wombat3(<3 x float>) #0
attributes #0 = { nounwind }