1; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-unknown -mcpu=pwr9 | FileCheck %s 2define signext i32 @shrinkwrapme(i32 signext %a, i32 signext %lim) { 3entry: 4 %cmp5 = icmp sgt i32 %lim, 0 5 br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup 6 7 for.body.preheader: ; preds = %entry 8 br label %for.body 9 10 for.cond.cleanup.loopexit: ; preds = %for.body 11 br label %for.cond.cleanup 12 13 for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry 14 %Ret.0.lcssa = phi i32 [ 0, %entry ], [ %0, %for.cond.cleanup.loopexit ] 15 ret i32 %Ret.0.lcssa 16 17 for.body: ; preds = %for.body.preheader, %for.body 18 %i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] 19 %Ret.06 = phi i32 [ %0, %for.body ], [ 0, %for.body.preheader ] 20 %0 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{r14},~{r15},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26},~{r27},~{r28},~{r29},~{r30},~{r31}"(i32 %a, i32 %Ret.06) 21 %inc = add nuw nsw i32 %i.07, 1 22 %exitcond = icmp eq i32 %inc, %lim 23 br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body 24 25; CHECK-LABEL: shrinkwrapme 26; CHECK: # %bb.0: 27; CHECK-NEXT: cmpwi 28; Prolog code 29; CHECK: std 30; CHECK: std 31; CHECK: std 32; CHECK: std 33; CHECK: blt 0, .LBB0_3 34; CHECK: # %bb.1: 35; CHECK-NEXT: clrldi 36; CHECK-NEXT: mtctr 37; CHECK-NEXT: li 38; CHECK: .LBB0_2: 39; CHECK: add 40; CHECK: bdnz .LBB0_2 41; CHECK-NEXT: b .LBB0_4 42; CHECK: .LBB0_3: 43; CHECK-NEXT: li 44; CHECK: .LBB0_4: 45; Epilog code 46; CHECK: ld 47; CHECK: ld 48; CHECK: extsw 49; CHECK: ld 50; CHECK: ld 51; CHECK: blr 52} 53