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84653da20b
Summary: Continuing the work from https://reviews.llvm.org/D33240, this change introduces an element unordered-atomic memset intrinsic. This intrinsic is essentially memset with the implementation requirement that all stores used for the assignment are done with unordered-atomic stores of a given element size. Reviewers: eli.friedman, reames, mkazantsev, skatkov Reviewed By: reames Subscribers: jfb, dschuff, sbc100, jgravelle-google, aheejin, efriedma, llvm-commits Differential Revision: https://reviews.llvm.org/D34885 llvm-svn: 307854
68 lines
4.0 KiB
LLVM
68 lines
4.0 KiB
LLVM
; RUN: not opt -verify < %s 2>&1 | FileCheck %s
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define void @test_memcpy(i8* %P, i8* %Q, i32 %A, i32 %E) {
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; CHECK: element size of the element-wise unordered atomic memory intrinsic must be a constant int
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1, i32 %E)
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; CHECK: element size of the element-wise atomic memory intrinsic must be a power of 2
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1, i32 3)
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; CHECK: constant length must be a multiple of the element size in the element-wise atomic memory intrinsic
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 7, i32 4)
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; CHECK: incorrect alignment of the destination argument
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* %P, i8* align 4 %Q, i32 1, i32 1)
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; CHECK: incorrect alignment of the destination argument
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %P, i8* align 4 %Q, i32 4, i32 4)
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; CHECK: incorrect alignment of the source argument
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* %Q, i32 1, i32 1)
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; CHECK: incorrect alignment of the source argument
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call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 1 %Q, i32 4, i32 4)
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ret void
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}
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declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
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define void @test_memmove(i8* %P, i8* %Q, i32 %A, i32 %E) {
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; CHECK: element size of the element-wise unordered atomic memory intrinsic must be a constant int
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1, i32 %E)
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; CHECK: element size of the element-wise atomic memory intrinsic must be a power of 2
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 1, i32 3)
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; CHECK: constant length must be a multiple of the element size in the element-wise atomic memory intrinsic
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 4 %Q, i32 7, i32 4)
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; CHECK: incorrect alignment of the destination argument
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* %P, i8* align 4 %Q, i32 1, i32 1)
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; CHECK: incorrect alignment of the destination argument
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 1 %P, i8* align 4 %Q, i32 4, i32 4)
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; CHECK: incorrect alignment of the source argument
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* %Q, i32 1, i32 1)
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; CHECK: incorrect alignment of the source argument
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call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i32(i8* align 4 %P, i8* align 1 %Q, i32 4, i32 4)
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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, i8* nocapture, i32, i32) nounwind
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define void @test_memset(i8* %P, i8 %V, i32 %A, i32 %E) {
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; CHECK: element size of the element-wise unordered atomic memory intrinsic must be a constant int
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %P, i8 %V, i32 1, i32 %E)
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; CHECK: element size of the element-wise atomic memory intrinsic must be a power of 2
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %P, i8 %V, i32 1, i32 3)
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; CHECK: constant length must be a multiple of the element size in the element-wise atomic memory intrinsic
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 4 %P, i8 %V, i32 7, i32 4)
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; CHECK: incorrect alignment of the destination argument
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* %P, i8 %V, i32 1, i32 1)
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; CHECK: incorrect alignment of the destination argument
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call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %P, i8 %V, i32 4, i32 4)
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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, i8, i32, i32) nounwind
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; CHECK: input module is broken!
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