; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -dse -S | FileCheck %s define void @write4to7(i32* nocapture %p) { ; CHECK-LABEL: @write4to7( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i1 false) ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 1 ; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 %p3 = bitcast i32* %arrayidx0 to i8* call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i1 false) %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 1 store i32 1, i32* %arrayidx1, align 4 ret void } define void @write4to7_weird_element_type(i32* nocapture %p) { ; CHECK-LABEL: @write4to7_weird_element_type( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[TMP0]], i64 4 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[TMP1]] to i32* ; CHECK-NEXT: call void @llvm.memset.p0i32.i64(i32* align 4 [[TMP2]], i8 0, i64 24, i1 false) ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 1 ; CHECK-NEXT: store i32 1, i32* [[ARRAYIDX1]], align 4 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 call void @llvm.memset.p0i32.i64(i32* align 4 %arrayidx0, i8 0, i64 28, i1 false) %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 1 store i32 1, i32* %arrayidx1, align 4 ret void } define void @write4to7_addrspace(i32 addrspace(1)* nocapture %p) { ; CHECK-LABEL: @write4to7_addrspace( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32 addrspace(1)* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32 addrspace(1)* [[ARRAYIDX0]] to i8 addrspace(1)* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8 addrspace(1)* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.p1i8.i64(i8 addrspace(1)* align 4 [[TMP0]], i8 0, i64 24, i1 false) ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32 addrspace(1)* [[P]], i64 1 ; CHECK-NEXT: store i32 1, i32 addrspace(1)* [[ARRAYIDX1]], align 4 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32 addrspace(1)* %p, i64 1 %p3 = bitcast i32 addrspace(1)* %arrayidx0 to i8 addrspace(1)* call void @llvm.memset.p1i8.i64(i8 addrspace(1)* align 4 %p3, i8 0, i64 28, i1 false) %arrayidx1 = getelementptr inbounds i32, i32 addrspace(1)* %p, i64 1 store i32 1, i32 addrspace(1)* %arrayidx1, align 4 ret void } define void @write4to7_atomic(i32* nocapture %p) { ; CHECK-LABEL: @write4to7_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i32 4) ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 1 ; CHECK-NEXT: store atomic i32 1, i32* [[ARRAYIDX1]] unordered, align 4 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 %p3 = bitcast i32* %arrayidx0 to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i32 4) %arrayidx1 = getelementptr inbounds i32, i32* %p, i64 1 store atomic i32 1, i32* %arrayidx1 unordered, align 4 ret void } define void @write0to3(i32* nocapture %p) { ; CHECK-LABEL: @write0to3( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i1 false) ; CHECK-NEXT: store i32 1, i32* [[P]], align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i1 false) store i32 1, i32* %p, align 4 ret void } define void @write0to3_atomic(i32* nocapture %p) { ; CHECK-LABEL: @write0to3_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i32 4) ; CHECK-NEXT: store atomic i32 1, i32* [[P]] unordered, align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i32 4) store atomic i32 1, i32* %p unordered, align 4 ret void } ; Atomicity of the store is weaker from the memset define void @write0to3_atomic_weaker(i32* nocapture %p) { ; CHECK-LABEL: @write0to3_atomic_weaker( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i32 4) ; CHECK-NEXT: store i32 1, i32* [[P]], align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i32 4) store i32 1, i32* %p, align 4 ret void } define void @write0to7(i32* nocapture %p) { ; CHECK-LABEL: @write0to7( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 8 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i1 false) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i64* ; CHECK-NEXT: store i64 1, i64* [[P4]], align 8 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i1 false) %p4 = bitcast i32* %p to i64* store i64 1, i64* %p4, align 8 ret void } ; Changing the memset start and length is okay here because the ; store is a multiple of the memset element size define void @write0to7_atomic(i32* nocapture %p) { ; CHECK-LABEL: @write0to7_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 8 ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i32 4) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i64* ; CHECK-NEXT: store atomic i64 1, i64* [[P4]] unordered, align 8 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i32 4) %p4 = bitcast i32* %p to i64* store atomic i64 1, i64* %p4 unordered, align 8 ret void } define void @write0to7_2(i32* nocapture %p) { ; CHECK-LABEL: @write0to7_2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i1 false) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i64* ; CHECK-NEXT: store i64 1, i64* [[P4]], align 8 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 %p3 = bitcast i32* %arrayidx0 to i8* call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i1 false) %p4 = bitcast i32* %p to i64* store i64 1, i64* %p4, align 8 ret void } define void @write0to7_2_atomic(i32* nocapture %p) { ; CHECK-LABEL: @write0to7_2_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 24, i32 4) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i64* ; CHECK-NEXT: store atomic i64 1, i64* [[P4]] unordered, align 8 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 %p3 = bitcast i32* %arrayidx0 to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 28, i32 4) %p4 = bitcast i32* %p to i64* store atomic i64 1, i64* %p4 unordered, align 8 ret void } ; We do not trim the beginning of the eariler write if the alignment of the ; start pointer is changed. define void @dontwrite0to3_align8(i32* nocapture %p) { ; CHECK-LABEL: @dontwrite0to3_align8( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 8 [[P3]], i8 0, i64 32, i1 false) ; CHECK-NEXT: store i32 1, i32* [[P]], align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.p0i8.i64(i8* align 8 %p3, i8 0, i64 32, i1 false) store i32 1, i32* %p, align 4 ret void } define void @dontwrite0to3_align8_atomic(i32* nocapture %p) { ; CHECK-LABEL: @dontwrite0to3_align8_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[P3]], i8 0, i64 32, i32 4) ; CHECK-NEXT: store atomic i32 1, i32* [[P]] unordered, align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %p3, i8 0, i64 32, i32 4) store atomic i32 1, i32* %p unordered, align 4 ret void } define void @dontwrite0to1(i32* nocapture %p) { ; CHECK-LABEL: @dontwrite0to1( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 32, i1 false) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i16* ; CHECK-NEXT: store i16 1, i16* [[P4]], align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i1 false) %p4 = bitcast i32* %p to i16* store i16 1, i16* %p4, align 4 ret void } define void @dontwrite0to1_atomic(i32* nocapture %p) { ; CHECK-LABEL: @dontwrite0to1_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[P:%.*]] to i8* ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[P3]], i8 0, i64 32, i32 4) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i16* ; CHECK-NEXT: store atomic i16 1, i16* [[P4]] unordered, align 4 ; CHECK-NEXT: ret void ; entry: %p3 = bitcast i32* %p to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i32 4) %p4 = bitcast i32* %p to i16* store atomic i16 1, i16* %p4 unordered, align 4 ret void } define void @write2to10(i32* nocapture %p) { ; CHECK-LABEL: @write2to10( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 28, i1 false) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i16* ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[P4]], i64 1 ; CHECK-NEXT: [[P5:%.*]] = bitcast i16* [[ARRAYIDX2]] to i64* ; CHECK-NEXT: store i64 1, i64* [[P5]], align 8 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 %p3 = bitcast i32* %arrayidx0 to i8* call void @llvm.memset.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i1 false) %p4 = bitcast i32* %p to i16* %arrayidx2 = getelementptr inbounds i16, i16* %p4, i64 1 %p5 = bitcast i16* %arrayidx2 to i64* store i64 1, i64* %p5, align 8 ret void } define void @write2to10_atomic(i32* nocapture %p) { ; CHECK-LABEL: @write2to10_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ARRAYIDX0:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1 ; CHECK-NEXT: [[P3:%.*]] = bitcast i32* [[ARRAYIDX0]] to i8* ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P3]], i64 4 ; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 28, i32 4) ; CHECK-NEXT: [[P4:%.*]] = bitcast i32* [[P]] to i16* ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[P4]], i64 1 ; CHECK-NEXT: [[P5:%.*]] = bitcast i16* [[ARRAYIDX2]] to i64* ; CHECK-NEXT: store atomic i64 1, i64* [[P5]] unordered, align 8 ; CHECK-NEXT: ret void ; entry: %arrayidx0 = getelementptr inbounds i32, i32* %p, i64 1 %p3 = bitcast i32* %arrayidx0 to i8* call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 4 %p3, i8 0, i64 32, i32 4) %p4 = bitcast i32* %p to i16* %arrayidx2 = getelementptr inbounds i16, i16* %p4, i64 1 %p5 = bitcast i16* %arrayidx2 to i64* store atomic i64 1, i64* %p5 unordered, align 8 ret void } define void @write8To15AndThen0To7(i64* nocapture %P) { ; CHECK-LABEL: @write8To15AndThen0To7( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* ; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[MYBASE0]], i64 16 ; CHECK-NEXT: tail call void @llvm.memset.p0i8.i64(i8* align 8 [[TMP0]], i8 0, i64 16, i1 false) ; CHECK-NEXT: [[BASE64_0:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 0 ; CHECK-NEXT: [[BASE64_1:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 1 ; CHECK-NEXT: store i64 1, i64* [[BASE64_1]], align 4 ; CHECK-NEXT: store i64 2, i64* [[BASE64_0]], align 4 ; CHECK-NEXT: ret void ; entry: %base0 = bitcast i64* %P to i8* %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 tail call void @llvm.memset.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i1 false) %base64_0 = getelementptr inbounds i64, i64* %P, i64 0 %base64_1 = getelementptr inbounds i64, i64* %P, i64 1 store i64 1, i64* %base64_1 store i64 2, i64* %base64_0 ret void } define void @write8To15AndThen0To7_atomic(i64* nocapture %P) { ; CHECK-LABEL: @write8To15AndThen0To7_atomic( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* ; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[MYBASE0]], i64 16 ; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[TMP0]], i8 0, i64 16, i32 8) ; CHECK-NEXT: [[BASE64_0:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 0 ; CHECK-NEXT: [[BASE64_1:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 1 ; CHECK-NEXT: store atomic i64 1, i64* [[BASE64_1]] unordered, align 8 ; CHECK-NEXT: store atomic i64 2, i64* [[BASE64_0]] unordered, align 8 ; CHECK-NEXT: ret void ; entry: %base0 = bitcast i64* %P to i8* %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i32 8) %base64_0 = getelementptr inbounds i64, i64* %P, i64 0 %base64_1 = getelementptr inbounds i64, i64* %P, i64 1 store atomic i64 1, i64* %base64_1 unordered, align 8 store atomic i64 2, i64* %base64_0 unordered, align 8 ret void } define void @write8To15AndThen0To7_atomic_weaker(i64* nocapture %P) { ; CHECK-LABEL: @write8To15AndThen0To7_atomic_weaker( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* ; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[MYBASE0]], i64 16 ; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[TMP0]], i8 0, i64 16, i32 8) ; CHECK-NEXT: [[BASE64_0:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 0 ; CHECK-NEXT: [[BASE64_1:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 1 ; CHECK-NEXT: store atomic i64 1, i64* [[BASE64_1]] unordered, align 8 ; CHECK-NEXT: store i64 2, i64* [[BASE64_0]], align 8 ; CHECK-NEXT: ret void ; entry: %base0 = bitcast i64* %P to i8* %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i32 8) %base64_0 = getelementptr inbounds i64, i64* %P, i64 0 %base64_1 = getelementptr inbounds i64, i64* %P, i64 1 store atomic i64 1, i64* %base64_1 unordered, align 8 store i64 2, i64* %base64_0, align 8 ret void } define void @write8To15AndThen0To7_atomic_weaker_2(i64* nocapture %P) { ; CHECK-LABEL: @write8To15AndThen0To7_atomic_weaker_2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BASE0:%.*]] = bitcast i64* [[P:%.*]] to i8* ; CHECK-NEXT: [[MYBASE0:%.*]] = getelementptr inbounds i8, i8* [[BASE0]], i64 0 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[MYBASE0]], i64 16 ; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 [[TMP0]], i8 0, i64 16, i32 8) ; CHECK-NEXT: [[BASE64_0:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 0 ; CHECK-NEXT: [[BASE64_1:%.*]] = getelementptr inbounds i64, i64* [[P]], i64 1 ; CHECK-NEXT: store i64 1, i64* [[BASE64_1]], align 8 ; CHECK-NEXT: store atomic i64 2, i64* [[BASE64_0]] unordered, align 8 ; CHECK-NEXT: ret void ; entry: %base0 = bitcast i64* %P to i8* %mybase0 = getelementptr inbounds i8, i8* %base0, i64 0 tail call void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* align 8 %mybase0, i8 0, i64 32, i32 8) %base64_0 = getelementptr inbounds i64, i64* %P, i64 0 %base64_1 = getelementptr inbounds i64, i64* %P, i64 1 store i64 1, i64* %base64_1, align 8 store atomic i64 2, i64* %base64_0 unordered, align 8 ret void } declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind declare void @llvm.memset.p0i32.i64(i32* nocapture, i8, i64, i1) nounwind declare void @llvm.memset.p1i8.i64(i8 addrspace(1)* nocapture, i8, i64, i1) nounwind declare void @llvm.memset.element.unordered.atomic.p0i8.i64(i8* nocapture, i8, i64, i32) nounwind define void @ow_begin_align1(i8* nocapture %p) { ; CHECK-LABEL: @ow_begin_align1( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds i8, i8* [[P:%.*]], i64 1 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P1]], i64 7 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP0]], i8 0, i64 25, i1 false) ; CHECK-NEXT: [[P2:%.*]] = bitcast i8* [[P]] to i64* ; CHECK-NEXT: store i64 1, i64* [[P2]], align 1 ; CHECK-NEXT: ret void ; entry: %p1 = getelementptr inbounds i8, i8* %p, i64 1 call void @llvm.memset.p0i8.i64(i8* align 1 %p1, i8 0, i64 32, i1 false) %p2 = bitcast i8* %p to i64* store i64 1, i64* %p2, align 1 ret void } define void @ow_end_align4(i8* nocapture %p) { ; CHECK-LABEL: @ow_end_align4( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds i8, i8* [[P:%.*]], i64 1 ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i8, i8* [[P1]], i64 4 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 4 [[TMP0]], i8 0, i64 28, i1 false) ; CHECK-NEXT: [[P2:%.*]] = bitcast i8* [[P]] to i64* ; CHECK-NEXT: store i64 1, i64* [[P2]], align 1 ; CHECK-NEXT: ret void ; entry: %p1 = getelementptr inbounds i8, i8* %p, i64 1 call void @llvm.memset.p0i8.i64(i8* align 4 %p1, i8 0, i64 32, i1 false) %p2 = bitcast i8* %p to i64* store i64 1, i64* %p2, align 1 ret void } define void @ow_end_align8(i8* nocapture %p) { ; CHECK-LABEL: @ow_end_align8( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds i8, i8* [[P:%.*]], i64 1 ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 8 [[P1]], i8 0, i64 32, i1 false) ; CHECK-NEXT: [[P2:%.*]] = bitcast i8* [[P]] to i64* ; CHECK-NEXT: store i64 1, i64* [[P2]], align 1 ; CHECK-NEXT: ret void ; entry: %p1 = getelementptr inbounds i8, i8* %p, i64 1 call void @llvm.memset.p0i8.i64(i8* align 8 %p1, i8 0, i64 32, i1 false) %p2 = bitcast i8* %p to i64* store i64 1, i64* %p2, align 1 ret void }