| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -verify-machineinstrs | FileCheck %s |
| ; |
| ; Test that a def operand of super-reg is not dropped during post RA pseudo |
| ; expansion in expandZExtPseudo(). |
| |
| define void @fun_llvm_stress_reduced(i8*, i32*, i64*, i32) { |
| ; CHECK: .text |
| BB: |
| %A = alloca i32 |
| %Sl24 = select i1 undef, i32* %1, i32* %1 |
| %L26 = load i16, i16* undef |
| %L32 = load i32, i32* %Sl24 |
| br label %CF847 |
| |
| CF847: ; preds = %CF878, %BB |
| %L61 = load i16, i16* undef |
| br label %CF878 |
| |
| CF878: ; preds = %CF847 |
| %PC66 = bitcast i32* %Sl24 to double* |
| %Sl67 = select i1 undef, <2 x i32> undef, <2 x i32> undef |
| %Cmp68 = icmp ugt i32 undef, %3 |
| br i1 %Cmp68, label %CF847, label %CF863 |
| |
| CF863: ; preds = %CF878 |
| %L84 = load i16, i16* undef |
| br label %CF825 |
| |
| CF825: ; preds = %CF825, %CF863 |
| %Sl105 = select i1 undef, i1 undef, i1 undef |
| br i1 %Sl105, label %CF825, label %CF856 |
| |
| CF856: ; preds = %CF856, %CF825 |
| %Cmp114 = icmp ult i16 -24837, %L61 |
| br i1 %Cmp114, label %CF856, label %CF875 |
| |
| CF875: ; preds = %CF856 |
| %Shuff124 = shufflevector <2 x i32> undef, <2 x i32> undef, <2 x i32> <i32 1, i32 3> |
| %PC126 = bitcast i32* %A to i64* |
| br label %CF827 |
| |
| CF827: ; preds = %CF923, %CF911, %CF875 |
| %Sl142 = select i1 undef, i64 undef, i64 -1 |
| %B148 = sdiv i32 409071, 409071 |
| %E153 = extractelement <2 x i32> %Shuff124, i32 1 |
| br label %CF911 |
| |
| CF911: ; preds = %CF827 |
| br i1 undef, label %CF827, label %CF867 |
| |
| CF867: ; preds = %CF911 |
| br label %CF870 |
| |
| CF870: ; preds = %CF870, %CF867 |
| store i8 0, i8* %0 |
| %FC176 = fptoui double undef to i1 |
| br i1 %FC176, label %CF870, label %CF923 |
| |
| CF923: ; preds = %CF870 |
| %L179 = load i16, i16* undef |
| %Sl191 = select i1 undef, i64* %PC126, i64* %PC126 |
| br i1 false, label %CF827, label %CF828 |
| |
| CF828: ; preds = %CF905, %CF923 |
| %B205 = urem i16 -7553, undef |
| %E209 = extractelement <2 x i32> %Sl67, i32 1 |
| %Cmp215 = icmp ugt i16 %L179, 0 |
| br label %CF905 |
| |
| CF905: ; preds = %CF828 |
| %E231 = extractelement <4 x i1> undef, i32 1 |
| br i1 %E231, label %CF828, label %CF829 |
| |
| CF829: ; preds = %CF909, %CF829, %CF905 |
| %B234 = udiv i16 %L26, %L84 |
| br i1 undef, label %CF829, label %CF894 |
| |
| CF894: ; preds = %CF894, %CF829 |
| store i64 %Sl142, i64* %Sl191 |
| %Sl241 = select i1 %Cmp114, i1 false, i1 %Cmp215 |
| br i1 %Sl241, label %CF894, label %CF907 |
| |
| CF907: ; preds = %CF894 |
| %B247 = udiv i32 0, %E153 |
| %PC248 = bitcast i64* %2 to i8* |
| br label %CF909 |
| |
| CF909: ; preds = %CF907 |
| store i1 %FC176, i1* undef |
| %Cmp263 = icmp ugt i1 undef, %Sl241 |
| br i1 %Cmp263, label %CF829, label %CF830 |
| |
| CF830: ; preds = %CF909 |
| %B304 = urem i16 %L84, %B205 |
| %I311 = insertelement <2 x i32> %Shuff124, i32 %B247, i32 1 |
| store i8 0, i8* %0 |
| %Sl373 = select i1 %Cmp68, i32 0, i32 %E153 |
| br label %CF833 |
| |
| CF833: ; preds = %CF880, %CF830 |
| br label %CF880 |
| |
| CF880: ; preds = %CF833 |
| %Cmp412 = icmp ne i16 %B234, -18725 |
| br i1 %Cmp412, label %CF833, label %CF865 |
| |
| CF865: ; preds = %CF880 |
| store double 0.000000e+00, double* %PC66 |
| br label %CF860 |
| |
| CF860: ; preds = %CF860, %CF865 |
| store i8 0, i8* %PC248 |
| %Cmp600 = icmp sge i32 %B148, undef |
| br i1 %Cmp600, label %CF860, label %CF913 |
| |
| CF913: ; preds = %CF860 |
| store i32 %E209, i32* undef |
| store i32 %Sl373, i32* undef |
| %Cmp771 = icmp ule i32 undef, %L32 |
| br label %CF842 |
| |
| CF842: ; preds = %CF925, %CF913 |
| br label %CF925 |
| |
| CF925: ; preds = %CF842 |
| %Cmp778 = icmp sgt i1 %Cmp771, %Sl241 |
| br i1 %Cmp778, label %CF842, label %CF898 |
| |
| CF898: ; preds = %CF925 |
| %Sl785 = select i1 %Cmp600, i16 undef, i16 %B304 |
| unreachable |
| } |
