mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
55 lines
1.8 KiB
LLVM
55 lines
1.8 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-unknown -mcpu=pwr9 | FileCheck %s
|
|
define signext i32 @shrinkwrapme(i32 signext %a, i32 signext %lim) {
|
|
entry:
|
|
%cmp5 = icmp sgt i32 %lim, 0
|
|
br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup
|
|
|
|
for.body.preheader: ; preds = %entry
|
|
br label %for.body
|
|
|
|
for.cond.cleanup.loopexit: ; preds = %for.body
|
|
br label %for.cond.cleanup
|
|
|
|
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
|
|
%Ret.0.lcssa = phi i32 [ 0, %entry ], [ %0, %for.cond.cleanup.loopexit ]
|
|
ret i32 %Ret.0.lcssa
|
|
|
|
for.body: ; preds = %for.body.preheader, %for.body
|
|
%i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
|
%Ret.06 = phi i32 [ %0, %for.body ], [ 0, %for.body.preheader ]
|
|
%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)
|
|
%inc = add nuw nsw i32 %i.07, 1
|
|
%exitcond = icmp eq i32 %inc, %lim
|
|
br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body
|
|
|
|
; CHECK-LABEL: shrinkwrapme
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: cmpwi
|
|
; Prolog code
|
|
; CHECK: std
|
|
; CHECK: std
|
|
; CHECK: std
|
|
; CHECK: std
|
|
; CHECK: blt 0, .LBB0_3
|
|
; CHECK: # %bb.1:
|
|
; CHECK-NEXT: addi
|
|
; CHECK-NEXT: clrldi
|
|
; CHECK-NEXT: addi
|
|
; CHECK-NEXT: mtctr
|
|
; CHECK-NEXT: li
|
|
; CHECK: .LBB0_2:
|
|
; CHECK: add
|
|
; CHECK: bdnz .LBB0_2
|
|
; CHECK-NEXT: b .LBB0_4
|
|
; CHECK: .LBB0_3:
|
|
; CHECK-NEXT: li
|
|
; CHECK: .LBB0_4:
|
|
; Epilog code
|
|
; CHECK: ld
|
|
; CHECK: ld
|
|
; CHECK: extsw
|
|
; CHECK: ld
|
|
; CHECK: ld
|
|
; CHECK: blr
|
|
}
|