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; RUN: opt -passes="ipsccp<func-spec>" -force-specialization \
; RUN: -funcspec-max-clones=2 -S < %s | FileCheck %s
; RUN: opt -passes="ipsccp<func-spec>" -force-specialization \
; RUN: -funcspec-max-clones=1 -S < %s | FileCheck %s --check-prefix=CONST1
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
@A = external dso_local constant i32, align 4
@B = external dso_local constant i32, align 4
@C = external dso_local constant i32, align 4
@D = external dso_local constant i32, align 4
define dso_local i32 @bar(i32 %x, i32 %y) {
entry:
%tobool = icmp ne i32 %x, 0
br i1 %tobool, label %if.then, label %if.else
if.then:
%call = call i32 @foo(i32 %x, ptr @A, ptr @C)
br label %return
if.else:
%call1 = call i32 @foo(i32 %y, ptr @B, ptr @D)
br label %return
return:
%retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.else ]
ret i32 %retval.0
}
; CHECK-NOT: define internal i32 @foo(
define internal i32 @foo(i32 %x, ptr %b, ptr %c) {
entry:
%0 = load i32, ptr %b, align 4
%add = add nsw i32 %x, %0
%1 = load i32, ptr %c, align 4
%add1 = add nsw i32 %add, %1
ret i32 %add1
}
; CONST1: define internal i32 @foo.specialized.1(i32 %x, ptr %b, ptr %c)
; CONST1-NOT: define internal i32 @foo.specialized.2(i32 %x, ptr %b, ptr %c)
; CHECK: define internal i32 @foo.specialized.1(i32 %x, ptr %b, ptr %c) {
; CHECK-NEXT: entry:
; CHECK-NEXT: %0 = load i32, ptr @A, align 4
; CHECK-NEXT: %add = add nsw i32 %x, %0
; CHECK-NEXT: %1 = load i32, ptr @C, align 4
; CHECK-NEXT: %add1 = add nsw i32 %add, %1
; CHECK-NEXT: ret i32 %add1
; CHECK-NEXT: }
; CHECK: define internal i32 @foo.specialized.2(i32 %x, ptr %b, ptr %c) {
; CHECK-NEXT: entry:
; CHECK-NEXT: %0 = load i32, ptr @B, align 4
; CHECK-NEXT: %add = add nsw i32 %x, %0
; CHECK-NEXT: %1 = load i32, ptr @D, align 4
; CHECK-NEXT: %add1 = add nsw i32 %add, %1
; CHECK-NEXT: ret i32 %add1
; CHECK-NEXT: }
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