; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=slp-vectorizer -slp-threshold=-999 -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -S < %s | FileCheck %s ; The test checks that loads should not be moved below a stackrestore boundary. define void @stackrestore1(ptr %out) { ; CHECK-LABEL: @stackrestore1( ; CHECK-NEXT: [[STACK:%.*]] = call ptr @llvm.stacksave() ; CHECK-NEXT: [[LOCAL_ALLOCA:%.*]] = alloca [16 x i8], align 4 ; CHECK-NEXT: store <4 x float> , ptr [[LOCAL_ALLOCA]], align 4 ; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, ptr [[LOCAL_ALLOCA]], align 4 ; CHECK-NEXT: call void @llvm.stackrestore(ptr [[STACK]]) ; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <4 x float> [[TMP1]], <4 x float> poison, <4 x i32> ; CHECK-NEXT: store <4 x float> [[SHUFFLE]], ptr [[OUT:%.*]], align 4 ; CHECK-NEXT: ret void ; %stack = call ptr @llvm.stacksave() %local_alloca = alloca [16 x i8], align 4 store float 0x3FF3333340000000, ptr %local_alloca, align 4 %addr1 = getelementptr inbounds i8, ptr %local_alloca, i64 4 store float 0x3FF3333340000000, ptr %addr1, align 4 %addr2 = getelementptr inbounds i8, ptr %local_alloca, i64 8 store float 0x3FF3333340000000, ptr %addr2, align 4 %addr3 = getelementptr inbounds i8, ptr %local_alloca, i64 12 store float 0x3FF3333340000000, ptr %addr3, align 4 %val0 = load float, ptr %local_alloca, align 4 %val1 = load float, ptr %addr1, align 4 %val2 = load float, ptr %addr2, align 4 %val3 = load float, ptr %addr3, align 4 call void @llvm.stackrestore(i8* %stack) %outaddr2 = getelementptr inbounds float, ptr %out, i64 2 store float %val0, ptr %outaddr2, align 4 %outaddr3 = getelementptr inbounds float, ptr %out, i64 3 store float %val1, ptr %outaddr3, align 4 store float %val2, ptr %out %outaddr1 = getelementptr inbounds float, ptr %out, i64 1 store float %val3, ptr %outaddr1, align 4 ret void } declare i8* @llvm.stacksave() declare void @llvm.stackrestore(i8*)