8136a0172b
Reland877a9f9abesince D138654 (parent) has been fixed with9ebaf4fef4and with8f1e11c5a7. Differential Revision: https://reviews.llvm.org/D126455
37 lines
882 B
LLVM
37 lines
882 B
LLVM
; RUN: opt -passes=ipsccp -specialize-functions -force-function-specialization -S < %s | FileCheck %s
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; The if.then block is not executed, so check that we don't specialise here.
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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 false, label %if.then, label %if.else
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if.then:
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%call = call i32 @foo(i32 %x, ptr @A)
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br label %return
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if.else:
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%call1 = call i32 @foo(i32 %y, ptr @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, ptr %b) {
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entry:
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%0 = load i32, ptr %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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