; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -verify-machineinstrs -disable-lsr | FileCheck %s ; ; Regression test for a machine verifier complaint discovered with llvm-stress. ; Test that splitting of a 128 bit store does not result in use of undef phys reg. ; This test case involved spilling of 128 bits, where the data operand was killed. define void @autogen_SD15107(i8*, i32*, i64*, i32, i64, i8) { ; CHECK: .text BB: %A4 = alloca double %A1 = alloca i32 %L = load i8, i8* %0 br label %CF331 CF331: ; preds = %CF331, %BB %Shuff = shufflevector <8 x i8> zeroinitializer, <8 x i8> zeroinitializer, <8 x i32> <i32 undef, i32 undef, i32 1, i32 3, i32 5, i32 7, i32 9, i32 11> %L5 = load i8, i8* %0 %FC9 = fptosi float 0xC59D259100000000 to i8 %Shuff13 = shufflevector <8 x i64> zeroinitializer, <8 x i64> zeroinitializer, <8 x i32> <i32 10, i32 undef, i32 14, i32 0, i32 undef, i32 4, i32 6, i32 8> %Tr = trunc <8 x i16> zeroinitializer to <8 x i1> %Sl16 = select i1 true, i64 448097, i64 253977 %E18 = extractelement <2 x i1> zeroinitializer, i32 1 br i1 %E18, label %CF331, label %CF350 CF350: ; preds = %CF331 %Cmp22 = icmp slt i8 %L, -1 br label %CF CF: ; preds = %CF333, %CF364, %CF, %CF350 %Shuff25 = shufflevector <16 x i1> zeroinitializer, <16 x i1> zeroinitializer, <16 x i32> <i32 25, i32 27, i32 29, i32 31, i32 1, i32 undef, i32 undef, i32 7, i32 9, i32 11, i32 undef, i32 15, i32 17, i32 19, i32 21, i32 23> %B27 = mul <8 x i8> zeroinitializer, %Shuff %L31 = load i8, i8* %0 store i8 %L5, i8* %0 %E32 = extractelement <8 x i64> %Shuff13, i32 5 %Sl37 = select i1 %E18, i64* %2, i64* %2 %E40 = extractelement <8 x i64> %Shuff13, i32 4 %I42 = insertelement <8 x i64> %Shuff13, i64 0, i32 1 %Sl44 = select i1 true, double* %A4, double* %A4 %L46 = load i64, i64* %Sl37 br i1 undef, label %CF, label %CF335 CF335: ; preds = %CF335, %CF %Shuff48 = shufflevector <8 x i16> zeroinitializer, <8 x i16> zeroinitializer, <8 x i32> <i32 undef, i32 15, i32 undef, i32 3, i32 5, i32 7, i32 9, i32 11> %B50 = sub <8 x i64> undef, zeroinitializer %Se = sext i1 %Cmp22 to i64 %Cmp52 = icmp ule i64 %E40, 184653 br i1 %Cmp52, label %CF335, label %CF364 CF364: ; preds = %CF335 store i64 %E32, i64* %Sl37 %B57 = udiv <8 x i64> %I42, %B50 %L61 = load i64, i64* %Sl37 %Sl65 = select i1 undef, i1 %Cmp52, i1 true br i1 %Sl65, label %CF, label %CF333 CF333: ; preds = %CF364 %Cmp66 = fcmp uge float 0x474A237E00000000, undef br i1 %Cmp66, label %CF, label %CF324 CF324: ; preds = %CF358, %CF360, %CF333 %L67 = load i64, i64* %Sl37 %Sl73 = select i1 %E18, i8 %L, i8 %L31 %ZE = zext i1 true to i32 %Cmp81 = icmp ult i64 184653, %L46 br label %CF346 CF346: ; preds = %CF363, %CF346, %CF324 %L82 = load double, double* %Sl44 store i64 %Se, i64* %Sl37 br i1 undef, label %CF346, label %CF363 CF363: ; preds = %CF346 %I85 = insertelement <8 x i64> undef, i64 0, i32 4 %Se86 = sext i1 %Cmp81 to i64 %Cmp88 = icmp eq <16 x i1> zeroinitializer, undef %Shuff91 = shufflevector <8 x i64> %B57, <8 x i64> %I42, <8 x i32> <i32 1, i32 undef, i32 5, i32 7, i32 undef, i32 11, i32 13, i32 undef> %Sl95 = select i1 undef, i8 -1, i8 %5 store i8 %FC9, i8* %0 %Sl102 = select i1 %Sl65, float 0x3AAFABC380000000, float undef %L104 = load i64, i64* %Sl37 store i8 %Sl95, i8* %0 br i1 undef, label %CF346, label %CF360 CF360: ; preds = %CF363 %I107 = insertelement <16 x i1> undef, i1 %Sl65, i32 3 %B108 = fdiv float undef, %Sl102 %FC109 = sitofp <16 x i1> %Shuff25 to <16 x float> %Cmp111 = icmp slt i8 %Sl73, %Sl95 br i1 %Cmp111, label %CF324, label %CF344 CF344: ; preds = %CF344, %CF360 store i64 %4, i64* %Sl37 br i1 undef, label %CF344, label %CF358 CF358: ; preds = %CF344 %B116 = add i8 29, %5 %Sl118 = select i1 %Cmp81, <8 x i1> undef, <8 x i1> %Tr %L120 = load i16, i16* undef store i8 %FC9, i8* %0 %E121 = extractelement <16 x i1> %Shuff25, i32 3 br i1 %E121, label %CF324, label %CF325 CF325: ; preds = %CF362, %CF358 %I123 = insertelement <8 x i16> undef, i16 %L120, i32 0 %Sl125 = select i1 undef, i32 undef, i32 199785 %Cmp126 = icmp ule <16 x i1> undef, %Cmp88 br label %CF356 CF356: ; preds = %CF356, %CF325 %FC131 = sitofp <8 x i8> %B27 to <8 x double> store i8 %Sl73, i8* %0 store i64 396197, i64* %Sl37 %L150 = load i64, i64* %Sl37 %Cmp157 = icmp ult i64 %L150, %L61 br i1 %Cmp157, label %CF356, label %CF359 CF359: ; preds = %CF359, %CF356 %B162 = srem <8 x i64> %I85, %Shuff13 %Tr163 = trunc i64 %Se to i8 %Sl164 = select i1 %Cmp52, i32* %A1, i32* %1 store i64 %E32, i64* undef %I168 = insertelement <8 x i16> %I123, i16 undef, i32 5 %Se170 = sext i1 %Cmp81 to i32 %Cmp172 = icmp uge i8 %Sl73, %Sl73 br i1 %Cmp172, label %CF359, label %CF362 CF362: ; preds = %CF359 store i16 0, i16* undef store i64 448097, i64* %Sl37 %E189 = extractelement <8 x i16> %Shuff48, i32 6 %Sl194 = select i1 %Cmp111, i8 29, i8 0 %Cmp195 = icmp eq i32 %ZE, %ZE br i1 %Cmp195, label %CF325, label %CF326 CF326: ; preds = %CF342, %CF362 store i64 %L104, i64* undef br label %CF342 CF342: ; preds = %CF326 %Cmp203 = icmp ule i1 %Cmp195, %E18 br i1 %Cmp203, label %CF326, label %CF337 CF337: ; preds = %CF342 br label %CF327 CF327: ; preds = %CF336, %CF355, %CF327, %CF337 store i64 %Se86, i64* undef %Tr216 = trunc i64 184653 to i16 %Sl217 = select i1 %Cmp157, <4 x i1> undef, <4 x i1> undef %Cmp218 = icmp slt i32 undef, %Se170 br i1 %Cmp218, label %CF327, label %CF355 CF355: ; preds = %CF327 %E220 = extractelement <16 x i1> %Cmp126, i32 3 br i1 %E220, label %CF327, label %CF340 CF340: ; preds = %CF355 %Sl224 = select i1 %Sl65, double undef, double 0xBE278346AB25A5C4 br label %CF334 CF334: ; preds = %CF343, %CF334, %CF340 %L226 = load i64, i64* undef store i32 %3, i32* %Sl164 %Cmp233 = icmp uge i16 %Tr216, %L120 br i1 %Cmp233, label %CF334, label %CF354 CF354: ; preds = %CF334 store i64 %L226, i64* %Sl37 %Cmp240 = icmp uge i1 %Cmp52, undef %Shuff243 = shufflevector <16 x i1> %I107, <16 x i1> undef, <16 x i32> <i32 28, i32 30, i32 undef, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 undef> %B245 = fmul <16 x float> %FC109, %FC109 br label %CF343 CF343: ; preds = %CF354 %Cmp248 = icmp sgt i8 0, %B116 br i1 %Cmp248, label %CF334, label %CF336 CF336: ; preds = %CF343 store i64 %E32, i64* undef br i1 undef, label %CF327, label %CF328 CF328: ; preds = %CF345, %CF336 br label %CF345 CF345: ; preds = %CF328 %E257 = extractelement <4 x i1> %Sl217, i32 2 br i1 %E257, label %CF328, label %CF338 CF338: ; preds = %CF345 %Sl261 = select i1 %E121, <8 x i16> zeroinitializer, <8 x i16> undef %Cmp262 = icmp sgt i8 undef, %Sl194 br label %CF329 CF329: ; preds = %CF339, %CF348, %CF357, %CF338 store i64 %L67, i64* %Sl37 br label %CF357 CF357: ; preds = %CF329 %Cmp275 = icmp ne i1 %Cmp203, %Sl65 br i1 %Cmp275, label %CF329, label %CF348 CF348: ; preds = %CF357 %Shuff286 = shufflevector <8 x i16> undef, <8 x i16> %Sl261, <8 x i32> <i32 6, i32 8, i32 10, i32 12, i32 undef, i32 0, i32 2, i32 4> %Cmp291 = icmp ne i32 %Sl125, undef br i1 %Cmp291, label %CF329, label %CF339 CF339: ; preds = %CF348 %Cmp299 = fcmp ugt double %L82, undef br i1 %Cmp299, label %CF329, label %CF330 CF330: ; preds = %CF361, %CF330, %CF339 %E301 = extractelement <8 x double> %FC131, i32 3 store i64 %Sl16, i64* %Sl37 %Se313 = sext <8 x i1> %Sl118 to <8 x i32> %Cmp315 = icmp sgt i8 %Tr163, %L br i1 %Cmp315, label %CF330, label %CF361 CF361: ; preds = %CF330 store i16 %L120, i16* undef %Shuff318 = shufflevector <8 x i64> %B162, <8 x i64> undef, <8 x i32> <i32 8, i32 10, i32 12, i32 14, i32 0, i32 2, i32 4, i32 6> %ZE321 = zext i16 %E189 to i64 %Sl322 = select i1 %Cmp240, i1 %Cmp262, i1 %Cmp291 br i1 %Sl322, label %CF330, label %CF351 CF351: ; preds = %CF361 store double %Sl224, double* %Sl44 store i32 %ZE, i32* %Sl164 ret void }