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4bf7d5872e
Upgrade of the IR text tests should be the only thing blocking making typed byval mandatory. Partially done through regex and partially manual.
41 lines
2.4 KiB
LLVM
41 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -memcpyopt -S < %s -enable-memcpyopt-memoryssa=0 | FileCheck %s
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; RUN: opt -memcpyopt -S < %s -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
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; RUN: opt -passes=memcpyopt -S < %s -enable-memcpyopt-memoryssa=0 | FileCheck %s
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; RUN: opt -passes=memcpyopt -S < %s -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
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; rdar://8875553
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; Memcpyopt shouldn't optimize the second memcpy using the first
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; because the first has a smaller size.
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target datalayout = "e-p:32:32:32"
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%struct.s = type { [11 x i8], i32 }
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@.str = private constant [11 x i8] c"0123456789\00"
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@cell = external global %struct.s
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declare void @check(%struct.s* byval(%struct.s) %p) nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i1) nounwind
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define void @foo() nounwind {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[AGG_TMP:%.*]] = alloca [[STRUCT_S:%.*]], align 4
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; CHECK-NEXT: store i32 99, i32* getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 1), align 4
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; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i8* align 1 getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 11, i1 false)
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; CHECK-NEXT: [[TMP:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.s* [[AGG_TMP]], i32 0, i32 0, i32 0
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; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[TMP]], i8* align 4 getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i32 16, i1 false)
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; CHECK-NEXT: call void @check(%struct.s* byval(%struct.s) [[AGG_TMP]])
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; CHECK-NEXT: ret void
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;
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entry:
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%agg.tmp = alloca %struct.s, align 4
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store i32 99, i32* getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 1), align 4
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i8* align 1 getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 11, i1 false)
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%tmp = getelementptr inbounds %struct.s, %struct.s* %agg.tmp, i32 0, i32 0, i32 0
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %tmp, i8* align 4 getelementptr inbounds (%struct.s, %struct.s* @cell, i32 0, i32 0, i32 0), i32 16, i1 false)
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call void @check(%struct.s* byval(%struct.s) %agg.tmp)
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ret void
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}
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