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; RUN: opt -passes="ipsccp<func-spec>" -force-specialization -funcspec-for-literal-constant -funcspec-max-iters=3 -S < %s | FileCheck %s
define i64 @main() {
; CHECK: define i64 @main
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C1:%.*]] = call i64 @foo.specialized.1(i1 true, i64 3, i64 1)
; CHECK-NEXT: [[C2:%.*]] = call i64 @foo.specialized.2(i1 false, i64 4, i64 -1)
; CHECK-NEXT: ret i64 8
;
entry:
%c1 = call i64 @foo(i1 true, i64 3, i64 1)
%c2 = call i64 @foo(i1 false, i64 4, i64 -1)
%add = add i64 %c1, %c2
ret i64 %add
}
define internal i64 @foo(i1 %flag, i64 %m, i64 %n) {
;
; CHECK: define internal i64 @foo.specialized.1
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %plus
; CHECK: plus:
; CHECK-NEXT: [[N0:%.*]] = call i64 @binop.specialized.4(i64 3, i64 1)
; CHECK-NEXT: [[RES0:%.*]] = call i64 @bar.specialized.6(i64 4)
; CHECK-NEXT: br label %merge
; CHECK: merge:
; CHECK-NEXT: ret i64 poison
;
; CHECK: define internal i64 @foo.specialized.2
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %minus
; CHECK: minus:
; CHECK-NEXT: [[N1:%.*]] = call i64 @binop.specialized.3(i64 4, i64 -1)
; CHECK-NEXT: [[RES1:%.*]] = call i64 @bar.specialized.5(i64 3)
; CHECK-NEXT: br label %merge
; CHECK: merge:
; CHECK-NEXT: ret i64 poison
;
entry:
br i1 %flag, label %plus, label %minus
plus:
%n0 = call i64 @binop(i64 %m, i64 %n)
%res0 = call i64 @bar(i64 %n0)
br label %merge
minus:
%n1 = call i64 @binop(i64 %m, i64 %n)
%res1 = call i64 @bar(i64 %n1)
br label %merge
merge:
%res = phi i64 [ %res0, %plus ], [ %res1, %minus]
ret i64 %res
}
define internal i64 @binop(i64 %x, i64 %y) {
;
; CHECK: define internal i64 @binop.specialized.3
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i64 poison
;
; CHECK: define internal i64 @binop.specialized.4
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i64 poison
;
entry:
%z = add i64 %x, %y
ret i64 %z
}
define internal i64 @bar(i64 %n) {
;
; CHECK: define internal i64 @bar.specialized.5
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %if.else
; CHECK: if.else:
; CHECK-NEXT: br label %if.end
; CHECK: if.end:
; CHECK-NEXT: ret i64 poison
;
; CHECK: define internal i64 @bar.specialized.6
; CHECK-NEXT: entry:
; CHECK-NEXT: br label %if.then
; CHECK: if.then:
; CHECK-NEXT: br label %if.end
; CHECK: if.end:
; CHECK-NEXT: ret i64 poison
;
entry:
%cmp = icmp sgt i64 %n, 3
br i1 %cmp, label %if.then, label %if.else
if.then:
%res0 = sdiv i64 %n, 2
br label %if.end
if.else:
%res1 = mul i64 %n, 2
br label %if.end
if.end:
%res = phi i64 [ %res0, %if.then ], [ %res1, %if.else]
ret i64 %res
}
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