1; RUN: llc -verify-machineinstrs < %s | FileCheck %s 2; This test case used to fail both with and without -verify-machineinstrs 3; (-verify-machineinstrs would catch the problem right after instruction 4; scheduling because the live intervals would not be right for the registers 5; that were both inputs to the inline asm and also early-clobber outputs). 6 7target datalayout = "E-m:e-i64:64-n32:64" 8target triple = "powerpc64le-unknown-linux" 9 10%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713 = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker.118.8248.32638.195238.200116.211498.218002.221254.222880.224506.226132.240766.244018.245644.248896.260278.271660.281416.283042.302554.304180.325318.326944.344712*, %struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } 11%struct._IO_marker.118.8248.32638.195238.200116.211498.218002.221254.222880.224506.226132.240766.244018.245644.248896.260278.271660.281416.283042.302554.304180.325318.326944.344712 = type { %struct._IO_marker.118.8248.32638.195238.200116.211498.218002.221254.222880.224506.226132.240766.244018.245644.248896.260278.271660.281416.283042.302554.304180.325318.326944.344712*, %struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713*, i32 } 12 13@.str236 = external unnamed_addr constant [121 x i8], align 1 14@.str294 = external unnamed_addr constant [49 x i8], align 1 15 16; Function Attrs: nounwind 17declare void @fprintf(%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713* nocapture, i8* nocapture readonly, ...) #0 18 19; Function Attrs: inlinehint nounwind 20define void @_ZN4PAMI6Device2MU15ResourceManager46calculatePerCoreMUResourcesBasedOnAvailabilityEv(i32 %inp32, i64 %inp64) #1 align 2 { 21; CHECK-LABEL: @_ZN4PAMI6Device2MU15ResourceManager46calculatePerCoreMUResourcesBasedOnAvailabilityEv 22; CHECK: sc 23 24entry: 25 %numFreeResourcesInSubgroup = alloca i32, align 4 26 %0 = ptrtoint i32* %numFreeResourcesInSubgroup to i64 27 br label %for.cond2.preheader 28 29for.cond2.preheader: ; preds = %if.end23.3, %entry 30 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %if.end23.3 ] 31 %group.098 = phi i32 [ 0, %entry ], [ %inc37, %if.end23.3 ] 32 %minFreeBatIdsPerCore.097 = phi i64 [ 32, %entry ], [ %numFreeBatIdsInGroup.0.minFreeBatIdsPerCore.0, %if.end23.3 ] 33 %minFreeRecFifosPerCore.096 = phi i64 [ 16, %entry ], [ %minFreeRecFifosPerCore.1, %if.end23.3 ] 34 %minFreeInjFifosPerCore.095 = phi i64 [ 32, %entry ], [ %numFreeInjFifosInGroup.0.minFreeInjFifosPerCore.0, %if.end23.3 ] 35 %cmp5 = icmp eq i32 %inp32, 0 36 br i1 %cmp5, label %if.end, label %if.then 37 38if.then: ; preds = %if.end23.2, %if.end23.1, %if.end23, %for.cond2.preheader 39 unreachable 40 41if.end: ; preds = %for.cond2.preheader 42 %1 = load i32, i32* %numFreeResourcesInSubgroup, align 4 43 %conv = zext i32 %1 to i64 44 %2 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 %indvars.iv, i64 %0, i64 %inp64) #2 45 %cmp10 = icmp eq i32 0, 0 46 br i1 %cmp10, label %if.end14, label %if.then11 47 48if.then11: ; preds = %if.end.3, %if.end.2, %if.end.1, %if.end 49 unreachable 50 51if.end14: ; preds = %if.end 52 %3 = load i32, i32* %numFreeResourcesInSubgroup, align 4 53 %cmp19 = icmp eq i32 %inp32, 0 54 br i1 %cmp19, label %if.end23, label %if.then20 55 56if.then20: ; preds = %if.end14.3, %if.end14.2, %if.end14.1, %if.end14 57 %conv4.i65.lcssa = phi i32 [ %inp32, %if.end14 ], [ 0, %if.end14.1 ], [ %conv4.i65.2, %if.end14.2 ], [ %conv4.i65.3, %if.end14.3 ] 58 call void (%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713*, i8*, ...) @fprintf(%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713* undef, i8* getelementptr inbounds ([121 x i8], [121 x i8]* @.str236, i64 0, i64 0), i32 signext 2503) #3 59 call void (%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713*, i8*, ...) @fprintf(%struct._IO_FILE.119.8249.32639.195239.200117.211499.218003.221255.222881.224507.226133.240767.244019.245645.248897.260279.271661.281417.283043.302555.304181.325319.326945.344713* undef, i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str294, i64 0, i64 0), i32 signext %conv4.i65.lcssa) #3 60 unreachable 61 62if.end23: ; preds = %if.end14 63 %conv15 = zext i32 %3 to i64 64 %4 = load i32, i32* %numFreeResourcesInSubgroup, align 4 65 %conv24 = zext i32 %4 to i64 66 %5 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1033, i64 0, i64 %0, i64 %inp64) #2 67 %cmp5.1 = icmp eq i32 0, 0 68 br i1 %cmp5.1, label %if.end.1, label %if.then 69 70for.end38: ; preds = %if.end23.3 71 ret void 72 73if.end.1: ; preds = %if.end23 74 %6 = load i32, i32* %numFreeResourcesInSubgroup, align 4 75 %conv.1 = zext i32 %6 to i64 76 %add.1 = add nuw nsw i64 %conv.1, %conv 77 %7 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 0, i64 %0, i64 %inp64) #2 78 %cmp10.1 = icmp eq i32 %inp32, 0 79 br i1 %cmp10.1, label %if.end14.1, label %if.then11 80 81if.end14.1: ; preds = %if.end.1 82 %8 = load i32, i32* %numFreeResourcesInSubgroup, align 4 83 %cmp19.1 = icmp eq i32 0, 0 84 br i1 %cmp19.1, label %if.end23.1, label %if.then20 85 86if.end23.1: ; preds = %if.end14.1 87 %conv15.1 = zext i32 %8 to i64 88 %add16.1 = add nuw nsw i64 %conv15.1, %conv15 89 %9 = load i32, i32* %numFreeResourcesInSubgroup, align 4 90 %conv24.1 = zext i32 %9 to i64 91 %add25.1 = add nuw nsw i64 %conv24.1, %conv24 92 %cmp5.2 = icmp eq i32 %inp32, 0 93 br i1 %cmp5.2, label %if.end.2, label %if.then 94 95if.end.2: ; preds = %if.end23.1 96 %10 = load i32, i32* %numFreeResourcesInSubgroup, align 4 97 %conv.2 = zext i32 %10 to i64 98 %add.2 = add nuw nsw i64 %conv.2, %add.1 99 %11 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1034, i64 %inp64, i64 %0, i64 %inp64) #2 100 %cmp10.2 = icmp eq i32 0, 0 101 br i1 %cmp10.2, label %if.end14.2, label %if.then11 102 103if.end14.2: ; preds = %if.end.2 104 %12 = load i32, i32* %numFreeResourcesInSubgroup, align 4 105 %13 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1035, i64 %inp64, i64 %0, i64 0) #2 106 %asmresult1.i64.2 = extractvalue { i64, i64, i64, i64 } %13, 1 107 %conv4.i65.2 = trunc i64 %asmresult1.i64.2 to i32 108 %cmp19.2 = icmp eq i32 %conv4.i65.2, 0 109 br i1 %cmp19.2, label %if.end23.2, label %if.then20 110 111if.end23.2: ; preds = %if.end14.2 112 %conv15.2 = zext i32 %12 to i64 113 %add16.2 = add nuw nsw i64 %conv15.2, %add16.1 114 %14 = load i32, i32* %numFreeResourcesInSubgroup, align 4 115 %conv24.2 = zext i32 %14 to i64 116 %add25.2 = add nuw nsw i64 %conv24.2, %add25.1 117 %cmp5.3 = icmp eq i32 0, 0 118 br i1 %cmp5.3, label %if.end.3, label %if.then 119 120if.end.3: ; preds = %if.end23.2 121 %15 = load i32, i32* %numFreeResourcesInSubgroup, align 4 122 %conv.3 = zext i32 %15 to i64 123 %add.3 = add nuw nsw i64 %conv.3, %add.2 124 %cmp10.3 = icmp eq i32 %inp32, 0 125 br i1 %cmp10.3, label %if.end14.3, label %if.then11 126 127if.end14.3: ; preds = %if.end.3 128 %16 = load i32, i32* %numFreeResourcesInSubgroup, align 4 129 %17 = call { i64, i64, i64, i64 } asm sideeffect "sc", "=&{r0},=&{r3},=&{r4},=&{r5},{r0},{r3},{r4},{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{cr0},~{memory}"(i64 1035, i64 0, i64 %0, i64 0) #2 130 %asmresult1.i64.3 = extractvalue { i64, i64, i64, i64 } %17, 1 131 %conv4.i65.3 = trunc i64 %asmresult1.i64.3 to i32 132 %cmp19.3 = icmp eq i32 %conv4.i65.3, 0 133 br i1 %cmp19.3, label %if.end23.3, label %if.then20 134 135if.end23.3: ; preds = %if.end14.3 136 %conv15.3 = zext i32 %16 to i64 137 %add16.3 = add nuw nsw i64 %conv15.3, %add16.2 138 %add25.3 = add nuw nsw i64 0, %add25.2 139 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 4 140 %cmp27 = icmp ult i64 %add.3, %minFreeInjFifosPerCore.095 141 %numFreeInjFifosInGroup.0.minFreeInjFifosPerCore.0 = select i1 %cmp27, i64 %add.3, i64 %minFreeInjFifosPerCore.095 142 %cmp30 = icmp ult i64 %add16.3, %minFreeRecFifosPerCore.096 143 %minFreeRecFifosPerCore.1 = select i1 %cmp30, i64 %add16.3, i64 %minFreeRecFifosPerCore.096 144 %cmp33 = icmp ult i64 %add25.3, %minFreeBatIdsPerCore.097 145 %numFreeBatIdsInGroup.0.minFreeBatIdsPerCore.0 = select i1 %cmp33, i64 %add25.3, i64 %minFreeBatIdsPerCore.097 146 %inc37 = add nuw nsw i32 %group.098, 1 147 %cmp = icmp ult i32 %inc37, 16 148 br i1 %cmp, label %for.cond2.preheader, label %for.end38 149} 150 151attributes #0 = { nounwind "frame-pointer"="all" "target-cpu"="a2q" } 152attributes #1 = { inlinehint nounwind "frame-pointer"="all" "target-cpu"="a2q" } 153attributes #2 = { nounwind } 154attributes #3 = { cold nounwind } 155 156