forked from OSchip/llvm-project
27 lines
847 B
LLVM
27 lines
847 B
LLVM
; RUN: opt %s -simplify-libcalls -S | FileCheck %s
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; PR4738
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; SimplifyLibcalls shouldn't assume anything about weak symbols.
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@real_init = weak_odr constant [2 x i8] c"y\00"
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@fake_init = weak constant [2 x i8] c"y\00"
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@.str = private constant [2 x i8] c"y\00"
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; CHECK: define i32 @foo
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; CHECK: call i32 @strcmp
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define i32 @foo() nounwind {
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entry:
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%t0 = call i32 @strcmp(i8* getelementptr inbounds ([2 x i8]* @fake_init, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8]* @.str, i64 0, i64 0)) nounwind readonly
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ret i32 %t0
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}
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; CHECK: define i32 @bar
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; CHECK: ret i32 0
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define i32 @bar() nounwind {
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entry:
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%t0 = call i32 @strcmp(i8* getelementptr inbounds ([2 x i8]* @real_init, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8]* @.str, i64 0, i64 0)) nounwind readonly
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ret i32 %t0
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}
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declare i32 @strcmp(i8*, i8*) nounwind readonly
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