| ; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs \ |
| ; RUN: -mtriple=powerpc-ibm-aix -mcpu=pwr7 < %s | FileCheck %s |
| |
| define i64 @foo(i32 noundef %argc) #0 { |
| entry: |
| %argc.addr = alloca i32, align 4 |
| %num = alloca i64, align 8 |
| store i32 %argc, ptr %argc.addr, align 4 |
| %0 = load i32, ptr %argc.addr, align 4 |
| %sub = sub nsw i32 %0, 2 |
| %conv = sext i32 %sub to i64 |
| store i64 %conv, ptr %num, align 8 |
| %1 = load i64, ptr %num, align 8 |
| %sub1 = sub nsw i64 0, %1 |
| ret i64 %sub1 |
| } |
| |
| attributes #0 = { noinline nounwind optnone "frame-pointer"="all" "stack-protector-buffer-size"="8" } |
| |
| ; CHECK: .foo: |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: stw r3, -8(r1) |
| ; CHECK-NEXT: lwz r3, -8(r1) |
| ; CHECK-NEXT: addi r3, r3, -2 |
| ; CHECK-NEXT: srawi r4, r3, 31 |
| ; CHECK-NEXT: stw r3, -12(r1) |
| ; CHECK-NEXT: stw r4, -16(r1) |
| ; CHECK-NEXT: lwz r3, -16(r1) |
| ; CHECK-NEXT: lwz r4, -12(r1) |
| ; CHECK-NEXT: subfic r4, r4, 0 |
| ; CHECK-NEXT: subfze r3, r3 |
| ; CHECK-NEXT: blr |
