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