forked from OSchip/llvm-project
351 lines
20 KiB
LLVM
351 lines
20 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -instcombine -S < %s | FileCheck %s
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;; ---- memset -----
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; Ensure 0-length memset is removed
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define void @test_memset_zero_length(i8* %dest) {
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; CHECK-LABEL: @test_memset_zero_length(
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; CHECK-NEXT: ret void
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;
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %dest, i8 1, i32 0, i32 1)
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ret void
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}
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define void @test_memset_to_store(i8* %dest) {
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; CHECK-LABEL: @test_memset_to_store(
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; CHECK-NEXT: store atomic i8 1, i8* [[DEST:%.*]] unordered, align 1
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[DEST]] to i16*
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; CHECK-NEXT: store atomic i16 257, i16* [[TMP1]] unordered, align 1
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST]] to i32*
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; CHECK-NEXT: store atomic i32 16843009, i32* [[TMP2]] unordered, align 1
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[DEST]] to i64*
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; CHECK-NEXT: store atomic i64 72340172838076673, i64* [[TMP3]] unordered, align 1
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; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 [[DEST]], i8 1, i32 16, i32 1)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %dest, i8 1, i32 1, i32 1)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %dest, i8 1, i32 2, i32 1)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %dest, i8 1, i32 4, i32 1)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %dest, i8 1, i32 8, i32 1)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %dest, i8 1, i32 16, i32 1)
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ret void
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}
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define void @test_memset_to_store_2(i8* %dest) {
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; CHECK-LABEL: @test_memset_to_store_2(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[DEST:%.*]] to i16*
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; CHECK-NEXT: store atomic i16 257, i16* [[TMP1]] unordered, align 2
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST]] to i32*
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; CHECK-NEXT: store atomic i32 16843009, i32* [[TMP2]] unordered, align 2
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[DEST]] to i64*
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; CHECK-NEXT: store atomic i64 72340172838076673, i64* [[TMP3]] unordered, align 2
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; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 2 [[DEST]], i8 1, i32 16, i32 2)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 2 %dest, i8 1, i32 2, i32 2)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 2 %dest, i8 1, i32 4, i32 2)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 2 %dest, i8 1, i32 8, i32 2)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 2 %dest, i8 1, i32 16, i32 2)
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ret void
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}
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define void @test_memset_to_store_4(i8* %dest) {
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; CHECK-LABEL: @test_memset_to_store_4(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[DEST:%.*]] to i32*
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; CHECK-NEXT: store atomic i32 16843009, i32* [[TMP1]] unordered, align 4
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST]] to i64*
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; CHECK-NEXT: store atomic i64 72340172838076673, i64* [[TMP2]] unordered, align 4
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; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 [[DEST]], i8 1, i32 16, i32 4)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %dest, i8 1, i32 4, i32 4)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %dest, i8 1, i32 8, i32 4)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %dest, i8 1, i32 16, i32 4)
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ret void
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}
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define void @test_memset_to_store_8(i8* %dest) {
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; CHECK-LABEL: @test_memset_to_store_8(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[DEST:%.*]] to i64*
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; CHECK-NEXT: store atomic i64 72340172838076673, i64* [[TMP1]] unordered, align 8
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; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 8 [[DEST]], i8 1, i32 16, i32 8)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 8 %dest, i8 1, i32 8, i32 8)
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 8 %dest, i8 1, i32 16, i32 8)
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ret void
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}
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define void @test_memset_to_store_16(i8* %dest) {
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; CHECK-LABEL: @test_memset_to_store_16(
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; CHECK-NEXT: call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 16 [[DEST:%.*]], i8 1, i32 16, i32 16)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 16 %dest, i8 1, i32 16, i32 16)
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ret void
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}
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declare void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* nocapture writeonly, i8, i32, i32) nounwind argmemonly
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;; =========================================
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;; ----- memmove ------
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@gconst = constant [32 x i8] c"0123456789012345678901234567890\00"
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; Check that a memmove from a global constant is converted into a memcpy
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define void @test_memmove_to_memcpy(i8* %dest) {
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; CHECK-LABEL: @test_memmove_to_memcpy(
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; CHECK-NEXT: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 [[DEST:%.*]], i8* align 16 getelementptr inbounds ([32 x i8], [32 x i8]* @gconst, i64 0, i64 0), i32 32, i32 1)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 getelementptr inbounds ([32 x i8], [32 x i8]* @gconst, i64 0, i64 0), i32 32, i32 1)
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ret void
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}
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define void @test_memmove_zero_length(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memmove_zero_length(
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 0, i32 1)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 0, i32 2)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 0, i32 4)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %dest, i8* align 8 %src, i32 0, i32 8)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %dest, i8* align 16 %src, i32 0, i32 16)
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ret void
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}
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; memmove with src==dest is removed
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define void @test_memmove_removed(i8* %srcdest, i32 %sz) {
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; CHECK-LABEL: @test_memmove_removed(
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %srcdest, i8* align 1 %srcdest, i32 %sz, i32 1)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %srcdest, i8* align 2 %srcdest, i32 %sz, i32 2)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %srcdest, i8* align 4 %srcdest, i32 %sz, i32 4)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %srcdest, i8* align 8 %srcdest, i32 %sz, i32 8)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %srcdest, i8* align 16 %srcdest, i32 %sz, i32 16)
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ret void
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}
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; memmove with a small constant length is converted to a load/store pair
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define void @test_memmove_loadstore(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memmove_loadstore(
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; CHECK-NEXT: [[TMP1:%.*]] = load atomic i8, i8* [[SRC:%.*]] unordered, align 1
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; CHECK-NEXT: store atomic i8 [[TMP1]], i8* [[DEST:%.*]] unordered, align 1
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[SRC]] to i16*
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[DEST]] to i16*
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; CHECK-NEXT: [[TMP4:%.*]] = load atomic i16, i16* [[TMP2]] unordered, align 1
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; CHECK-NEXT: store atomic i16 [[TMP4]], i16* [[TMP3]] unordered, align 1
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[SRC]] to i32*
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; CHECK-NEXT: [[TMP6:%.*]] = bitcast i8* [[DEST]] to i32*
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; CHECK-NEXT: [[TMP7:%.*]] = load atomic i32, i32* [[TMP5]] unordered, align 1
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; CHECK-NEXT: store atomic i32 [[TMP7]], i32* [[TMP6]] unordered, align 1
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; CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[SRC]] to i64*
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; CHECK-NEXT: [[TMP9:%.*]] = bitcast i8* [[DEST]] to i64*
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; CHECK-NEXT: [[TMP10:%.*]] = load atomic i64, i64* [[TMP8]] unordered, align 1
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; CHECK-NEXT: store atomic i64 [[TMP10]], i64* [[TMP9]] unordered, align 1
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; CHECK-NEXT: call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 [[DEST]], i8* align 1 [[SRC]], i32 16, i32 1)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 1, i32 1)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 2, i32 1)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 4, i32 1)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 8, i32 1)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 16, i32 1)
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ret void
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}
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define void @test_memmove_loadstore_2(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memmove_loadstore_2(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[SRC:%.*]] to i16*
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST:%.*]] to i16*
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; CHECK-NEXT: [[TMP3:%.*]] = load atomic i16, i16* [[TMP1]] unordered, align 2
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; CHECK-NEXT: store atomic i16 [[TMP3]], i16* [[TMP2]] unordered, align 2
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; CHECK-NEXT: [[TMP4:%.*]] = bitcast i8* [[SRC]] to i32*
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[DEST]] to i32*
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; CHECK-NEXT: [[TMP6:%.*]] = load atomic i32, i32* [[TMP4]] unordered, align 2
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; CHECK-NEXT: store atomic i32 [[TMP6]], i32* [[TMP5]] unordered, align 2
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; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[SRC]] to i64*
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; CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[DEST]] to i64*
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; CHECK-NEXT: [[TMP9:%.*]] = load atomic i64, i64* [[TMP7]] unordered, align 2
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; CHECK-NEXT: store atomic i64 [[TMP9]], i64* [[TMP8]] unordered, align 2
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; CHECK-NEXT: call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 [[DEST]], i8* align 2 [[SRC]], i32 16, i32 2)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 2, i32 2)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 4, i32 2)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 8, i32 2)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 16, i32 2)
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ret void
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}
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define void @test_memmove_loadstore_4(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memmove_loadstore_4(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[SRC:%.*]] to i32*
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST:%.*]] to i32*
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; CHECK-NEXT: [[TMP3:%.*]] = load atomic i32, i32* [[TMP1]] unordered, align 4
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; CHECK-NEXT: store atomic i32 [[TMP3]], i32* [[TMP2]] unordered, align 4
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; CHECK-NEXT: [[TMP4:%.*]] = bitcast i8* [[SRC]] to i64*
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[DEST]] to i64*
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; CHECK-NEXT: [[TMP6:%.*]] = load atomic i64, i64* [[TMP4]] unordered, align 4
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; CHECK-NEXT: store atomic i64 [[TMP6]], i64* [[TMP5]] unordered, align 4
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; CHECK-NEXT: call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 [[DEST]], i8* align 4 [[SRC]], i32 16, i32 4)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 4, i32 4)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 8, i32 4)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 16, i32 4)
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ret void
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}
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define void @test_memmove_loadstore_8(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memmove_loadstore_8(
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[SRC:%.*]] to i64*
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST:%.*]] to i64*
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; CHECK-NEXT: [[TMP3:%.*]] = load atomic i64, i64* [[TMP1]] unordered, align 8
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; CHECK-NEXT: store atomic i64 [[TMP3]], i64* [[TMP2]] unordered, align 8
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; CHECK-NEXT: call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 [[DEST]], i8* align 8 [[SRC]], i32 16, i32 8)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %dest, i8* align 8 %src, i32 8, i32 8)
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %dest, i8* align 8 %src, i32 16, i32 8)
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ret void
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}
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define void @test_memmove_loadstore_16(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memmove_loadstore_16(
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; CHECK-NEXT: call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 [[DEST:%.*]], i8* align 16 [[SRC:%.*]], i32 16, i32 16)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %dest, i8* align 16 %src, i32 16, i32 16)
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ret void
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}
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declare void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i32) nounwind argmemonly
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;; =========================================
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;; ----- memcpy ------
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define void @test_memcpy_zero_length(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memcpy_zero_length(
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; CHECK-NEXT: ret void
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;
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 0, i32 1)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 0, i32 2)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 0, i32 4)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %dest, i8* align 8 %src, i32 0, i32 8)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %dest, i8* align 16 %src, i32 0, i32 16)
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ret void
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}
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; memcpy with src==dest is removed
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define void @test_memcpy_removed(i8* %srcdest, i32 %sz) {
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; CHECK-LABEL: @test_memcpy_removed(
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; CHECK-NEXT: ret void
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;
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %srcdest, i8* align 1 %srcdest, i32 %sz, i32 1)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %srcdest, i8* align 2 %srcdest, i32 %sz, i32 2)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %srcdest, i8* align 4 %srcdest, i32 %sz, i32 4)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %srcdest, i8* align 8 %srcdest, i32 %sz, i32 8)
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %srcdest, i8* align 16 %srcdest, i32 %sz, i32 16)
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ret void
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}
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; memcpy with a small constant length is converted to a load/store pair
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define void @test_memcpy_loadstore(i8* %dest, i8* %src) {
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; CHECK-LABEL: @test_memcpy_loadstore(
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; CHECK-NEXT: [[TMP1:%.*]] = load atomic i8, i8* [[SRC:%.*]] unordered, align 1
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; CHECK-NEXT: store atomic i8 [[TMP1]], i8* [[DEST:%.*]] unordered, align 1
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[SRC]] to i16*
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[DEST]] to i16*
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; CHECK-NEXT: [[TMP4:%.*]] = load atomic i16, i16* [[TMP2]] unordered, align 1
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; CHECK-NEXT: store atomic i16 [[TMP4]], i16* [[TMP3]] unordered, align 1
|
|
; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[SRC]] to i32*
|
|
; CHECK-NEXT: [[TMP6:%.*]] = bitcast i8* [[DEST]] to i32*
|
|
; CHECK-NEXT: [[TMP7:%.*]] = load atomic i32, i32* [[TMP5]] unordered, align 1
|
|
; CHECK-NEXT: store atomic i32 [[TMP7]], i32* [[TMP6]] unordered, align 1
|
|
; CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[SRC]] to i64*
|
|
; CHECK-NEXT: [[TMP9:%.*]] = bitcast i8* [[DEST]] to i64*
|
|
; CHECK-NEXT: [[TMP10:%.*]] = load atomic i64, i64* [[TMP8]] unordered, align 1
|
|
; CHECK-NEXT: store atomic i64 [[TMP10]], i64* [[TMP9]] unordered, align 1
|
|
; CHECK-NEXT: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 [[DEST]], i8* align 1 [[SRC]], i32 16, i32 1)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 1, i32 1)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 2, i32 1)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 4, i32 1)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 8, i32 1)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %dest, i8* align 1 %src, i32 16, i32 1)
|
|
ret void
|
|
}
|
|
|
|
define void @test_memcpy_loadstore_2(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test_memcpy_loadstore_2(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[SRC:%.*]] to i16*
|
|
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST:%.*]] to i16*
|
|
; CHECK-NEXT: [[TMP3:%.*]] = load atomic i16, i16* [[TMP1]] unordered, align 2
|
|
; CHECK-NEXT: store atomic i16 [[TMP3]], i16* [[TMP2]] unordered, align 2
|
|
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i8* [[SRC]] to i32*
|
|
; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[DEST]] to i32*
|
|
; CHECK-NEXT: [[TMP6:%.*]] = load atomic i32, i32* [[TMP4]] unordered, align 2
|
|
; CHECK-NEXT: store atomic i32 [[TMP6]], i32* [[TMP5]] unordered, align 2
|
|
; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[SRC]] to i64*
|
|
; CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[DEST]] to i64*
|
|
; CHECK-NEXT: [[TMP9:%.*]] = load atomic i64, i64* [[TMP7]] unordered, align 2
|
|
; CHECK-NEXT: store atomic i64 [[TMP9]], i64* [[TMP8]] unordered, align 2
|
|
; CHECK-NEXT: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 [[DEST]], i8* align 2 [[SRC]], i32 16, i32 2)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 2, i32 2)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 4, i32 2)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 8, i32 2)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 2 %dest, i8* align 2 %src, i32 16, i32 2)
|
|
ret void
|
|
}
|
|
|
|
define void @test_memcpy_loadstore_4(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test_memcpy_loadstore_4(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[SRC:%.*]] to i32*
|
|
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST:%.*]] to i32*
|
|
; CHECK-NEXT: [[TMP3:%.*]] = load atomic i32, i32* [[TMP1]] unordered, align 4
|
|
; CHECK-NEXT: store atomic i32 [[TMP3]], i32* [[TMP2]] unordered, align 4
|
|
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i8* [[SRC]] to i64*
|
|
; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[DEST]] to i64*
|
|
; CHECK-NEXT: [[TMP6:%.*]] = load atomic i64, i64* [[TMP4]] unordered, align 4
|
|
; CHECK-NEXT: store atomic i64 [[TMP6]], i64* [[TMP5]] unordered, align 4
|
|
; CHECK-NEXT: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 [[DEST]], i8* align 4 [[SRC]], i32 16, i32 4)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 4, i32 4)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 8, i32 4)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %dest, i8* align 4 %src, i32 16, i32 4)
|
|
ret void
|
|
}
|
|
|
|
define void @test_memcpy_loadstore_8(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test_memcpy_loadstore_8(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[SRC:%.*]] to i64*
|
|
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DEST:%.*]] to i64*
|
|
; CHECK-NEXT: [[TMP3:%.*]] = load atomic i64, i64* [[TMP1]] unordered, align 8
|
|
; CHECK-NEXT: store atomic i64 [[TMP3]], i64* [[TMP2]] unordered, align 8
|
|
; CHECK-NEXT: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 [[DEST]], i8* align 8 [[SRC]], i32 16, i32 8)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %dest, i8* align 8 %src, i32 8, i32 8)
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 8 %dest, i8* align 8 %src, i32 16, i32 8)
|
|
ret void
|
|
}
|
|
|
|
define void @test_memcpy_loadstore_16(i8* %dest, i8* %src) {
|
|
; CHECK-LABEL: @test_memcpy_loadstore_16(
|
|
; CHECK-NEXT: call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 [[DEST:%.*]], i8* align 16 [[SRC:%.*]], i32 16, i32 16)
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 16 %dest, i8* align 16 %src, i32 16, i32 16)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i32) nounwind argmemonly
|