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; 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
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