30 lines
728 B
LLVM
30 lines
728 B
LLVM
; PR4738 - Test that the library call simplifier doesn't assume anything about
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; weak symbols.
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;
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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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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define i32 @foo() nounwind {
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; CHECK-LABEL: define i32 @foo(
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; CHECK: call i32 @strcmp
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; CHECK: ret i32 %temp1
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entry:
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%temp1 = call i32 @strcmp(ptr @fake_init, ptr @.str) nounwind readonly
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ret i32 %temp1
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}
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define i32 @bar() nounwind {
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; CHECK-LABEL: define i32 @bar(
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; CHECK: ret i32 0
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entry:
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%temp1 = call i32 @strcmp(ptr @real_init, ptr @.str) nounwind readonly
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ret i32 %temp1
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}
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declare i32 @strcmp(ptr, ptr) nounwind readonly
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