forked from OSchip/llvm-project
75 lines
4.3 KiB
LLVM
75 lines
4.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; Test that the strcpy library call simplifier also works when the string
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; libcall arguments are in a non-zero address space.
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-m:e-p200:128:128:128:64-p:64:64-A200-P200-G200"
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@str = private unnamed_addr addrspace(200) constant [17 x i8] c"exactly 16 chars\00", align 1
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declare i8 addrspace(200)* @strcpy(i8 addrspace(200)*, i8 addrspace(200)*) addrspace(200)
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declare i8 addrspace(200)* @stpcpy(i8 addrspace(200)*, i8 addrspace(200)*) addrspace(200)
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declare i8 addrspace(200)* @strncpy(i8 addrspace(200)*, i8 addrspace(200)*, i64) addrspace(200)
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declare i8 addrspace(200)* @stpncpy(i8 addrspace(200)*, i8 addrspace(200)*, i64) addrspace(200)
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define void @test_strcpy_to_memcpy(i8 addrspace(200)* %dst) addrspace(200) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@test_strcpy_to_memcpy
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; CHECK-SAME: (i8 addrspace(200)* [[DST:%.*]]) addrspace(200) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call addrspace(200) void @llvm.memcpy.p200i8.p200i8.i64(i8 addrspace(200)* noundef align 1 dereferenceable(17) [[DST]], i8 addrspace(200)* noundef align 1 dereferenceable(17) getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0), i64 17, i1 false)
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; CHECK-NEXT: ret void
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;
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entry:
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%call = call i8 addrspace(200)* @strcpy(i8 addrspace(200)* %dst, i8 addrspace(200)* getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0))
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ret void
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}
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define void @test_stpcpy_to_memcpy(i8 addrspace(200)* %dst) addrspace(200) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@test_stpcpy_to_memcpy
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; CHECK-SAME: (i8 addrspace(200)* [[DST:%.*]]) addrspace(200) #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call addrspace(200) void @llvm.memcpy.p200i8.p200i8.i64(i8 addrspace(200)* noundef align 1 dereferenceable(17) [[DST]], i8 addrspace(200)* noundef align 1 dereferenceable(17) getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0), i64 17, i1 false)
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; CHECK-NEXT: ret void
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;
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entry:
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%call = call i8 addrspace(200)* @stpcpy(i8 addrspace(200)* %dst, i8 addrspace(200)* getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0))
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ret void
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}
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define void @test_stpcpy_to_strcpy(i8 addrspace(200)* %dst, i8 addrspace(200)* %src) addrspace(200) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@test_stpcpy_to_strcpy
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; CHECK-SAME: (i8 addrspace(200)* [[DST:%.*]], i8 addrspace(200)* [[SRC:%.*]]) addrspace(200) #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[STRCPY:%.*]] = call addrspace(200) i8 addrspace(200)* @strcpy(i8 addrspace(200)* noundef [[DST]], i8 addrspace(200)* noundef [[SRC]])
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; CHECK-NEXT: ret void
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;
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entry:
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%call = call i8 addrspace(200)* @stpcpy(i8 addrspace(200)* %dst, i8 addrspace(200)* %src)
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ret void
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}
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define void @test_strncpy_to_memcpy(i8 addrspace(200)* %dst) addrspace(200) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@test_strncpy_to_memcpy
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; CHECK-SAME: (i8 addrspace(200)* [[DST:%.*]]) addrspace(200) #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call addrspace(200) void @llvm.memcpy.p200i8.p200i8.i128(i8 addrspace(200)* noundef align 1 dereferenceable(17) [[DST]], i8 addrspace(200)* noundef align 1 dereferenceable(17) getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0), i128 17, i1 false)
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; CHECK-NEXT: ret void
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;
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entry:
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%call = call i8 addrspace(200)* @strncpy(i8 addrspace(200)* %dst, i8 addrspace(200)* getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0), i64 17)
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ret void
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}
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; Note: stpncpy is not handled by SimplifyLibcalls yet, so this should not be changed.
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define void @test_stpncpy_to_memcpy(i8 addrspace(200)* %dst) addrspace(200) nounwind {
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; CHECK-LABEL: define {{[^@]+}}@test_stpncpy_to_memcpy
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; CHECK-SAME: (i8 addrspace(200)* [[DST:%.*]]) addrspace(200) #[[ATTR1]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL:%.*]] = call addrspace(200) i8 addrspace(200)* @stpncpy(i8 addrspace(200)* [[DST]], i8 addrspace(200)* getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0), i64 17)
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; CHECK-NEXT: ret void
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;
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entry:
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%call = call i8 addrspace(200)* @stpncpy(i8 addrspace(200)* %dst, i8 addrspace(200)* getelementptr inbounds ([17 x i8], [17 x i8] addrspace(200)* @str, i64 0, i64 0), i64 17)
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ret void
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}
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