; 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(ptr, ptr, ptr, i32) {
; CHECK: .text
BB:
%A = alloca i32
%Sl24 = select i1 undef, ptr %1, ptr %1
%L26 = load i16, ptr undef
%L32 = load i32, ptr %Sl24
br label %CF847
CF847: ; preds = %CF878, %BB
%L61 = load i16, ptr undef
br label %CF878
CF878: ; preds = %CF847
%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, ptr 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>
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, ptr %0
%FC176 = fptoui double undef to i1
br i1 %FC176, label %CF870, label %CF923
CF923: ; preds = %CF870
%L179 = load i16, ptr undef
%Sl191 = select i1 undef, ptr %A, ptr %A
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, ptr %Sl191
%Sl241 = select i1 %Cmp114, i1 false, i1 %Cmp215
br i1 %Sl241, label %CF894, label %CF907
CF907: ; preds = %CF894
%B247 = udiv i32 0, %E153
br label %CF909
CF909: ; preds = %CF907
store i1 %FC176, ptr 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, ptr %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, ptr %Sl24
br label %CF860
CF860: ; preds = %CF860, %CF865
store i8 0, ptr %2
%Cmp600 = icmp sge i32 %B148, undef
br i1 %Cmp600, label %CF860, label %CF913
CF913: ; preds = %CF860
store i32 %E209, ptr undef
store i32 %Sl373, ptr 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
}
Codebase Browser
llvm