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; RUN: opt -function-specialization -force-function-specialization -func-specialization-max-iters=2 -inline -instcombine -S < %s | FileCheck %s --check-prefix=ITERS2
; RUN: opt -function-specialization -force-function-specialization -func-specialization-max-iters=3 -inline -instcombine -S < %s | FileCheck %s --check-prefix=ITERS3
; RUN: opt -function-specialization -force-function-specialization -func-specialization-max-iters=4 -inline -instcombine -S < %s | FileCheck %s --check-prefix=ITERS4
@Global = internal constant i32 1, align 4
define internal void @recursiveFunc(i32* nocapture readonly %arg) {
%temp = alloca i32, align 4
%arg.load = load i32, i32* %arg, align 4
%arg.cmp = icmp slt i32 %arg.load, 4
br i1 %arg.cmp, label %block6, label %ret.block
block6:
call void @print_val(i32 %arg.load)
%arg.add = add nsw i32 %arg.load, 1
store i32 %arg.add, i32* %temp, align 4
call void @recursiveFunc(i32* nonnull %temp)
br label %ret.block
ret.block:
ret void
}
; ITERS2: @funcspec.arg.3 = internal constant i32 3
; ITERS3: @funcspec.arg.5 = internal constant i32 4
define i32 @main() {
; ITERS2-LABEL: @main(
; ITERS2-NEXT: call void @print_val(i32 1)
; ITERS2-NEXT: call void @print_val(i32 2)
; ITERS2-NEXT: call void @recursiveFunc(i32* nonnull @funcspec.arg.3)
; ITERS2-NEXT: ret i32 0
;
; ITERS3-LABEL: @main(
; ITERS3-NEXT: call void @print_val(i32 1)
; ITERS3-NEXT: call void @print_val(i32 2)
; ITERS3-NEXT: call void @print_val(i32 3)
; ITERS3-NEXT: call void @recursiveFunc(i32* nonnull @funcspec.arg.5)
; ITERS3-NEXT: ret i32 0
;
; ITERS4-LABEL: @main(
; ITERS4-NEXT: call void @print_val(i32 1)
; ITERS4-NEXT: call void @print_val(i32 2)
; ITERS4-NEXT: call void @print_val(i32 3)
; ITERS4-NEXT: ret i32 0
;
call void @recursiveFunc(i32* nonnull @Global)
ret i32 0
}
declare dso_local void @print_val(i32)
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