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40 lines
929 B
LLVM
40 lines
929 B
LLVM
; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s
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; Function @foo has function attribute 'noduplicate', so check that we don't
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; specialize it:
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; CHECK-NOT: @foo.1(
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; CHECK-NOT: @foo.2(
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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@A = external dso_local constant i32, align 4
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@B = external dso_local constant i32, align 4
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define dso_local i32 @bar(i32 %x, i32 %y) {
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entry:
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%tobool = icmp ne i32 %x, 0
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br i1 %tobool, label %if.then, label %if.else
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if.then:
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%call = call i32 @foo(i32 %x, i32* @A)
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br label %return
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if.else:
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%call1 = call i32 @foo(i32 %y, i32* @B)
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br label %return
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return:
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%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
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ret i32 %retval.0
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}
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define internal i32 @foo(i32 %x, i32* %b) #0 {
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entry:
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%0 = load i32, i32* %b, align 4
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%add = add nsw i32 %x, %0
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ret i32 %add
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}
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attributes #0 = { noduplicate }
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