| ; RUN: opt -passes="ipsccp<func-spec>,inline,instcombine" -force-specialization -funcspec-max-iters=1 -S < %s | FileCheck %s --check-prefix=ITERS1 |
| ; RUN: opt -passes="ipsccp<func-spec>,inline,instcombine" -force-specialization -funcspec-max-iters=2 -S < %s | FileCheck %s --check-prefix=ITERS2 |
| ; RUN: opt -passes="ipsccp<func-spec>,inline,instcombine" -force-specialization -funcspec-max-iters=3 -S < %s | FileCheck %s --check-prefix=ITERS3 |
| ; RUN: opt -passes="ipsccp<func-spec>,inline,instcombine" -force-specialization -funcspec-max-iters=4 -S < %s | FileCheck %s --check-prefix=ITERS4 |
| |
| @low = internal constant i32 0, align 4 |
| @high = internal constant i32 6, align 4 |
| |
| define internal void @recursiveFunc(ptr nocapture readonly %lo, i32 %step, ptr nocapture readonly %hi) { |
| %lo.temp = alloca i32, align 4 |
| %hi.temp = alloca i32, align 4 |
| %lo.load = load i32, ptr %lo, align 4 |
| %hi.load = load i32, ptr %hi, align 4 |
| %cmp = icmp ne i32 %lo.load, %hi.load |
| br i1 %cmp, label %block6, label %ret.block |
| |
| block6: |
| call void @print_val(i32 %lo.load, i32 %hi.load) |
| %add = add nsw i32 %lo.load, %step |
| %sub = sub nsw i32 %hi.load, %step |
| store i32 %add, ptr %lo.temp, align 4 |
| store i32 %sub, ptr %hi.temp, align 4 |
| call void @recursiveFunc(ptr nonnull %lo.temp, i32 %step, ptr nonnull %hi.temp) |
| br label %ret.block |
| |
| ret.block: |
| ret void |
| } |
| |
| ; ITERS1: @specialized.arg.1 = internal constant i32 0 |
| ; ITERS1: @specialized.arg.2 = internal constant i32 6 |
| ; ITERS1: @specialized.arg.3 = internal constant i32 1 |
| ; ITERS1: @specialized.arg.4 = internal constant i32 5 |
| |
| ; ITERS2: @specialized.arg.1 = internal constant i32 0 |
| ; ITERS2: @specialized.arg.2 = internal constant i32 6 |
| ; ITERS2: @specialized.arg.3 = internal constant i32 1 |
| ; ITERS2: @specialized.arg.4 = internal constant i32 5 |
| ; ITERS2: @specialized.arg.5 = internal constant i32 2 |
| ; ITERS2: @specialized.arg.6 = internal constant i32 4 |
| |
| ; ITERS3: @specialized.arg.1 = internal constant i32 0 |
| ; ITERS3: @specialized.arg.2 = internal constant i32 6 |
| ; ITERS3: @specialized.arg.3 = internal constant i32 1 |
| ; ITERS3: @specialized.arg.4 = internal constant i32 5 |
| ; ITERS3: @specialized.arg.5 = internal constant i32 2 |
| ; ITERS3: @specialized.arg.6 = internal constant i32 4 |
| ; ITERS3: @specialized.arg.7 = internal constant i32 3 |
| ; ITERS3: @specialized.arg.8 = internal constant i32 3 |
| |
| ; ITERS4: @specialized.arg.1 = internal constant i32 0 |
| ; ITERS4: @specialized.arg.2 = internal constant i32 6 |
| ; ITERS4: @specialized.arg.3 = internal constant i32 1 |
| ; ITERS4: @specialized.arg.4 = internal constant i32 5 |
| ; ITERS4: @specialized.arg.5 = internal constant i32 2 |
| ; ITERS4: @specialized.arg.6 = internal constant i32 4 |
| ; ITERS4: @specialized.arg.7 = internal constant i32 3 |
| ; ITERS4: @specialized.arg.8 = internal constant i32 3 |
| |
| define i32 @main() { |
| ; ITERS1-LABEL: @main( |
| ; ITERS1-NEXT: call void @print_val(i32 0, i32 6) |
| ; ITERS1-NEXT: call void @recursiveFunc(ptr nonnull @specialized.arg.3, i32 1, ptr nonnull @specialized.arg.4) |
| ; ITERS1-NEXT: ret i32 0 |
| ; |
| ; ITERS2-LABEL: @main( |
| ; ITERS2-NEXT: call void @print_val(i32 0, i32 6) |
| ; ITERS2-NEXT: call void @print_val(i32 1, i32 5) |
| ; ITERS2-NEXT: call void @recursiveFunc(ptr nonnull @specialized.arg.5, i32 1, ptr nonnull @specialized.arg.6) |
| ; ITERS2-NEXT: ret i32 0 |
| ; |
| ; ITERS3-LABEL: @main( |
| ; ITERS3-NEXT: call void @print_val(i32 0, i32 6) |
| ; ITERS3-NEXT: call void @print_val(i32 1, i32 5) |
| ; ITERS3-NEXT: call void @print_val(i32 2, i32 4) |
| ; ITERS3-NEXT: call void @recursiveFunc(ptr nonnull @specialized.arg.7, i32 1, ptr nonnull @specialized.arg.8) |
| ; ITERS3-NEXT: ret i32 0 |
| ; |
| ; ITERS4-LABEL: @main( |
| ; ITERS4-NEXT: call void @print_val(i32 0, i32 6) |
| ; ITERS4-NEXT: call void @print_val(i32 1, i32 5) |
| ; ITERS4-NEXT: call void @print_val(i32 2, i32 4) |
| ; ITERS4-NEXT: ret i32 0 |
| ; |
| %lo.temp = alloca i32, align 4 |
| %hi.temp = alloca i32, align 4 |
| %lo.load = load i32, ptr @low, align 4 |
| %hi.load = load i32, ptr @high, align 4 |
| store i32 %lo.load, ptr %lo.temp, align 4 |
| store i32 %hi.load, ptr %hi.temp, align 4 |
| call void @recursiveFunc(ptr nonnull %lo.temp, i32 1, ptr nonnull %hi.temp) |
| ret i32 0 |
| } |
| |
| declare dso_local void @print_val(i32, i32) |