1 # RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple powerpc64le-unknown-linux-gnu \
2 # RUN: -run-pass=shrink-wrap -o - %s | FileCheck %s
3 # RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple powerpc-ibm-aix-xcoff \
4 # RUN: -run-pass=shrink-wrap -mattr=-altivec -o - %s | FileCheck %s
5 # RUN: llc -verify-machineinstrs -mcpu=pwr9 -mtriple powerpc64-ibm-aix-xcoff \
6 # RUN: -run-pass=shrink-wrap -mattr=-altivec -o - %s | FileCheck %s
9 source_filename = "test.ll"
10 target datalayout = "e-m:e-i64:64-n32:64"
12 define signext i32 @shrinkwrapme(i32 signext %a, i32 signext %lim) {
14 %cmp5 = icmp sgt i32 %lim, 0
15 br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup
17 for.body.preheader: ; preds = %entry
19 %1 = zext i32 %0 to i64
20 %2 = add nuw nsw i64 %1, 1
21 call void @llvm.set.loop.iterations.i64(i64 %2)
24 for.cond.cleanup: ; preds = %for.body, %entry
25 %Ret.0.lcssa = phi i32 [ 0, %entry ], [ %3, %for.body ]
28 for.body: ; preds = %for.body, %for.body.preheader
29 %Ret.06 = phi i32 [ %3, %for.body ], [ 0, %for.body.preheader ]
30 %3 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{r14},~{r15},~{r16},~{r17},~{r18},~{r19},~{r20},~{r21},~{r22},~{r23},~{r24},~{r25},~{r26},~{r27},~{r28},~{r29},~{r30},~{r31}"(i32 %a, i32 %Ret.06)
31 %4 = call i1 @llvm.loop.decrement.i64(i64 1)
32 br i1 %4, label %for.body, label %for.cond.cleanup
35 ; Function Attrs: noduplicate nounwind
36 declare void @llvm.set.loop.iterations.i64(i64) #0
38 ; Function Attrs: noduplicate nounwind
39 declare i1 @llvm.loop.decrement.i64(i64) #0
41 ; Function Attrs: nounwind
42 declare void @llvm.stackprotector(i8*, i8**) #1
44 attributes #0 = { noduplicate nounwind }
45 attributes #1 = { nounwind }
51 exposesReturnsTwice: false
53 regBankSelected: false
56 tracksRegLiveness: true
60 - { reg: '$x3', virtual-reg: '' }
61 - { reg: '$x4', virtual-reg: '' }
63 isFrameAddressTaken: false
64 isReturnAddressTaken: false
73 maxCallFrameSize: 4294967295
74 cvBytesOfCalleeSavedRegisters: 0
75 hasOpaqueSPAdjustment: false
77 hasMustTailInVarArgFunc: false
85 machineFunctionInfo: {}
88 successors: %bb.2(0x50000000), %bb.1(0x30000000)
91 renamable $cr0 = CMPWI renamable $r4, 1
92 BCC 4, killed renamable $cr0, %bb.2
95 successors: %bb.3(0x80000000)
100 bb.2.for.body.preheader:
101 successors: %bb.4(0x80000000)
104 renamable $r4 = ADDI renamable $r4, -1, implicit killed $x4, implicit-def $x4
105 renamable $x4 = RLDICL killed renamable $x4, 0, 32
106 renamable $x4 = nuw nsw ADDI8 killed renamable $x4, 1
107 MTCTR8loop killed renamable $x4, implicit-def dead $ctr8
111 bb.3.for.cond.cleanup:
114 renamable $x3 = EXTSW_32_64 killed renamable $r4
115 BLR8 implicit $lr8, implicit $rm, implicit $x3
118 successors: %bb.4(0x7c000000), %bb.3(0x04000000)
121 INLINEASM &"add $0, $1, $2", 0, 131082, def renamable $r4, 131081, renamable $r3, 131081, killed renamable $r4, 12, implicit-def dead early-clobber $r14, 12, implicit-def dead early-clobber $r15, 12, implicit-def dead early-clobber $r16, 12, implicit-def dead early-clobber $r17, 12, implicit-def dead early-clobber $r18, 12, implicit-def dead early-clobber $r19, 12, implicit-def dead early-clobber $r20, 12, implicit-def dead early-clobber $r21, 12, implicit-def dead early-clobber $r22, 12, implicit-def dead early-clobber $r23, 12, implicit-def dead early-clobber $r24, 12, implicit-def dead early-clobber $r25, 12, implicit-def dead early-clobber $r26, 12, implicit-def dead early-clobber $r27, 12, implicit-def dead early-clobber $r28, 12, implicit-def dead early-clobber $r29, 12, implicit-def dead early-clobber $r30, 12, implicit-def dead early-clobber $r31
122 BDNZ8 %bb.4, implicit-def dead $ctr8, implicit $ctr8
125 ; CHECK: savePoint: ''
126 ; CHECK-NEXT: restorePoint: ''
128 ; CHECK: bb.4.for.body:
129 ; CHECK-NEXT: successors: %bb.4(0x7c000000), %bb.3(0x04000000)
130 ; CHECK-NEXT: liveins: $r4, $x3
132 ; CHECK-NEXT: BDNZ8 %bb.4
133 ; CHECK-NEXT: B %bb.3