| ; 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) |