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; RUN: opt -S --passes="ipsccp<func-spec>,deadargelim" -force-specialization < %s | FileCheck %s
define dso_local i32 @add(i32 %x, i32 %y) {
entry:
%add = add nsw i32 %y, %x
ret i32 %add
}
define dso_local i32 @sub(i32 %x, i32 %y) {
entry:
%sub = sub nsw i32 %x, %y
ret i32 %sub
}
define internal i32 @f(i32 %x, i32 %y, ptr %u, ptr %v) noinline {
entry:
%call = tail call i32 %u(i32 %x, i32 %y)
%call1 = tail call i32 %v(i32 %x, i32 %y)
%mul = mul nsw i32 %call1, %call
ret i32 %mul
}
define dso_local i32 @g0(i32 %x, i32 %y) {
; CHECK-LABEL: @g0
; CHECK: call i32 @f.3(i32 [[X:%.*]], i32 [[Y:%.*]])
entry:
%call = tail call i32 @f(i32 %x, i32 %y, ptr @add, ptr @add)
ret i32 %call
}
define dso_local i32 @g1(i32 %x, i32 %y) {
; CHECK-LABEL: @g1(
; CHECK: call i32 @f.2(i32 [[X:%.*]], i32 [[Y:%.*]])
entry:
%call = tail call i32 @f(i32 %x, i32 %y, ptr @sub, ptr @add)
ret i32 %call
}
define dso_local i32 @g2(i32 %x, i32 %y, ptr %v) {
; CHECK-LABEL: @g2
; CHECK: call i32 @f.1(i32 [[X:%.*]], i32 [[Y:%.*]], ptr [[V:%.*]])
entry:
%call = tail call i32 @f(i32 %x, i32 %y, ptr @sub, ptr %v)
ret i32 %call
}
; CHECK-LABEL: define {{.*}} i32 @f.1
; CHECK: call i32 @sub(i32 %x, i32 %y)
; CHECK-NEXT: call i32 %v(i32 %x, i32 %y)
; CHECK-LABEL: define {{.*}} i32 @f.2
; CHECK: call i32 @sub(i32 %x, i32 %y)
; CHECK-NEXT: call i32 @add(i32 %x, i32 %y)
; CHECK-LABEL: define {{.*}} i32 @f.3
; CHECK: call i32 @add(i32 %x, i32 %y)
; CHECK-NEXT: call i32 @add(i32 %x, i32 %y)
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