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699d18eb82
Fix assert about using an undefined physical register in machine instruction verify pass. The reason is that register flag undef is missing when doing transformation from If Conversion Pass. ``` Bad machine code: Using an undefined physical register - function: func_65 - basic block: %bb.0 entry (0x10024740738) - instruction: BCLR killed $cr5lt, implicit $lr8, implicit $rm, implicit undef $x3 - operand 0: killed $cr5lt LLVM ERROR: Found 1 machine code errors. ``` There are also other existing testcases with same issue. So I add -verify-machineinstrs option to open verifying. Differential Revision: https://reviews.llvm.org/D55408 llvm-svn: 348566
70 lines
3.1 KiB
LLVM
70 lines
3.1 KiB
LLVM
; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s -verify-machineinstrs | FileCheck %s
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; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-linux-gnu < %s -verify-machineinstrs | FileCheck \
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; RUN: %s --check-prefix=CHECK-P9
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; Verify peephole simplification of splats and swaps. Bugpoint-reduced
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; test from Eric Schweitz.
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%struct.BSS38.51.4488.9911.14348.16813.20264.24701.28152.31603.35054.39491.44914.45407.46393.46886.47872.49351.49844.50830.51323.52309.53295.53788.54281.55267.55760.59211.61625 = type <{ [28 x i8] }>
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%struct_main1_2_.491.4928.10351.14788.17253.20704.25141.28592.32043.35494.39931.45354.45847.46833.47326.48312.49791.50284.51270.51763.52749.53735.54228.54721.55707.56200.59651.61626 = type <{ [64 x i8] }>
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@.BSS38 = external global %struct.BSS38.51.4488.9911.14348.16813.20264.24701.28152.31603.35054.39491.44914.45407.46393.46886.47872.49351.49844.50830.51323.52309.53295.53788.54281.55267.55760.59211.61625, align 32
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@_main1_2_ = external global %struct_main1_2_.491.4928.10351.14788.17253.20704.25141.28592.32043.35494.39931.45354.45847.46833.47326.48312.49791.50284.51270.51763.52749.53735.54228.54721.55707.56200.59651.61626, section ".comm", align 16
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define void @aercalc_() {
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L.entry:
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br i1 undef, label %L.LB38_2426, label %L.LB38_2911
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L.LB38_2911:
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br i1 undef, label %L.LB38_2140, label %L.LB38_2640
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L.LB38_2640:
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unreachable
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L.LB38_2426:
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br i1 undef, label %L.LB38_2438, label %L.LB38_2920
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L.LB38_2920:
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br i1 undef, label %L.LB38_2438, label %L.LB38_2921
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L.LB38_2921:
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br label %L.LB38_2140
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L.LB38_2140:
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ret void
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L.LB38_2438:
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br i1 undef, label %L.LB38_2451, label %L.LB38_2935
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L.LB38_2935:
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br i1 undef, label %L.LB38_2451, label %L.LB38_2936
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L.LB38_2936:
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unreachable
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L.LB38_2451:
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br i1 undef, label %L.LB38_2452, label %L.LB38_2937
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L.LB38_2937:
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unreachable
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L.LB38_2452:
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%0 = load float, float* bitcast (i8* getelementptr inbounds (%struct.BSS38.51.4488.9911.14348.16813.20264.24701.28152.31603.35054.39491.44914.45407.46393.46886.47872.49351.49844.50830.51323.52309.53295.53788.54281.55267.55760.59211.61625, %struct.BSS38.51.4488.9911.14348.16813.20264.24701.28152.31603.35054.39491.44914.45407.46393.46886.47872.49351.49844.50830.51323.52309.53295.53788.54281.55267.55760.59211.61625* @.BSS38, i64 0, i32 0, i64 16) to float*), align 16
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%1 = fpext float %0 to double
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%2 = insertelement <2 x double> undef, double %1, i32 1
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store <2 x double> %2, <2 x double>* bitcast (i8* getelementptr inbounds (%struct_main1_2_.491.4928.10351.14788.17253.20704.25141.28592.32043.35494.39931.45354.45847.46833.47326.48312.49791.50284.51270.51763.52749.53735.54228.54721.55707.56200.59651.61626, %struct_main1_2_.491.4928.10351.14788.17253.20704.25141.28592.32043.35494.39931.45354.45847.46833.47326.48312.49791.50284.51270.51763.52749.53735.54228.54721.55707.56200.59651.61626* @_main1_2_, i64 0, i32 0, i64 32) to <2 x double>*), align 16
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unreachable
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}
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; CHECK-LABEL: @aercalc_
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; CHECK: lfs
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; CHECK: xxspltd
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; CHECK: stxvd2x
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; CHECK-NOT: xxswapd
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; CHECK-P9-LABEL: @aercalc_
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; CHECK-P9: lfs
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; CHECK-P9: xxspltd
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; CHECK-P9: stxv
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; CHECK-P9-NOT: xxswapd
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