| # RUN: llc -mtriple=powerpc64le-unknown-unknown -start-before ppc-pre-emit-peephole \ |
| # RUN: -verify-machineinstrs -ppc-asm-full-reg-names %s -o - | FileCheck %s |
| --- | |
| ; ModuleID = 't.ll' |
| source_filename = "t.ll" |
| target datalayout = "e-m:e-i64:64-n32:64" |
| |
| define signext i32 @test(i32 signext %a, i32 signext %b, i32 signext %c) { |
| entry: |
| %cmp = icmp slt i32 %a, %b |
| br i1 %cmp, label %return, label %if.end |
| |
| if.end: ; preds = %entry |
| %cmp1 = icmp slt i32 %b, %a |
| br i1 %cmp1, label %return, label %if.end3 |
| |
| if.end3: ; preds = %if.end |
| %cmp4 = icmp eq i32 %a, %c |
| br i1 %cmp4, label %if.then5, label %if.end6 |
| |
| if.then5: ; preds = %if.end3 |
| %add = shl nsw i32 %a, 1 |
| br label %return |
| |
| if.end6: ; preds = %if.end3 |
| %cmp7 = icmp sgt i32 %c, %b |
| %add11 = add i32 %c, %b |
| %add12 = select i1 %cmp7, i32 %a, i32 0 |
| %spec.select = add i32 %add11, %add12 |
| ret i32 %spec.select |
| |
| return: ; preds = %if.then5, %if.end, %entry |
| %retval.0 = phi i32 [ %add, %if.then5 ], [ %c, %entry ], [ %b, %if.end ] |
| ret i32 %retval.0 |
| } |
| |
| ... |
| --- |
| name: test |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$x3', virtual-reg: '' } |
| - { reg: '$x4', virtual-reg: '' } |
| - { reg: '$x5', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 0 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: |
| stack: |
| constants: |
| body: | |
| bb.0.entry: |
| successors: %bb.4(0x40000000), %bb.1(0x40000000) |
| liveins: $x3, $x4, $x5 |
| |
| renamable $cr0 = CMPW renamable $r3, renamable $r4 |
| BCC 12, renamable $cr0, %bb.4 |
| |
| bb.1.if.end: |
| successors: %bb.6(0x40000000), %bb.2(0x40000000) |
| liveins: $cr0, $x3, $x4, $x5 |
| |
| BCC 36, killed renamable $cr0, %bb.2 |
| |
| bb.6: |
| liveins: $x4 |
| |
| ; CHECK: mr r5, r4 |
| ; CHECK-NOT: mr r5, r5 |
| ; CHECK: extsw r3, r5 |
| $r5 = OR killed $r4, $r4, implicit $x4, implicit-def $x5 |
| $r5 = OR $r5, $r5, implicit-def $x5 |
| renamable $x3 = EXTSW_32_64 killed renamable $r5, implicit $x5 |
| BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| |
| bb.2.if.end3: |
| successors: %bb.3(0x40000000), %bb.5(0x40000000) |
| liveins: $x3, $x4, $x5 |
| |
| renamable $cr0 = CMPLW renamable $r3, renamable $r5 |
| BCC 68, killed renamable $cr0, %bb.5 |
| |
| bb.3.if.then5: |
| successors: %bb.4(0x80000000) |
| liveins: $x3 |
| |
| renamable $r5 = RLWINM killed renamable $r3, 1, 0, 30, implicit $x3, implicit-def $x5 |
| |
| bb.4.return: |
| liveins: $x5 |
| |
| renamable $x3 = EXTSW_32_64 killed renamable $r5, implicit $x5 |
| BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| |
| bb.5.if.end6: |
| liveins: $x3, $x4, $x5 |
| |
| renamable $cr0 = CMPW renamable $r5, renamable $r4 |
| renamable $r6 = LI 0 |
| renamable $r4 = ADD4 killed renamable $r5, killed renamable $r4, implicit $x4, implicit $x5 |
| renamable $r3 = ISEL killed renamable $r3, killed renamable $r6, killed renamable $cr0gt, implicit $cr0, implicit $x3 |
| renamable $r3 = ADD4 killed renamable $r4, killed renamable $r3 |
| renamable $x3 = EXTSW_32_64 killed renamable $r3 |
| BLR8 implicit $lr8, implicit $rm, implicit killed $x3 |
| |
| ... |
