130 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -verify-machineinstrs | FileCheck %s
 | 
						|
;
 | 
						|
; Test that foldMemoryOperandImpl() doesn't drop subreg / read-undef flags.
 | 
						|
 | 
						|
 | 
						|
define void @fun_llvm_stress_reduced(i8*, i32*, i64*, i64, i8) {
 | 
						|
; CHECK: .text
 | 
						|
BB:
 | 
						|
  %A4 = alloca <4 x i64>
 | 
						|
  %A1 = alloca <8 x i1>
 | 
						|
  %E6 = extractelement <4 x i1> undef, i32 3
 | 
						|
  %L23 = load i8, i8* %0
 | 
						|
  %B27 = fmul double 0x59A989483BA7E0C6, undef
 | 
						|
  %L30 = load i16, i16* undef
 | 
						|
  store i16 -11933, i16* undef
 | 
						|
  %L46 = load i16, i16* undef
 | 
						|
  %L61 = load i16, i16* undef
 | 
						|
  %Sl74 = select i1 undef, i1 undef, i1 true
 | 
						|
  br label %CF846
 | 
						|
 | 
						|
CF846:                                            ; preds = %CF877, %BB
 | 
						|
  %I86 = insertelement <4 x i1> undef, i1 undef, i32 0
 | 
						|
  %Cmp89 = icmp ne i64 undef, %3
 | 
						|
  %L90 = load i16, i16* undef
 | 
						|
  %Shuff92 = shufflevector <4 x i16> zeroinitializer, <4 x i16> zeroinitializer, <4 x i32> <i32 0, i32 2, i32 undef, i32 6>
 | 
						|
  br label %CF877
 | 
						|
 | 
						|
CF877:                                            ; preds = %CF846
 | 
						|
  store i16 %L61, i16* undef
 | 
						|
  %Cmp110 = icmp eq i16 %L61, undef
 | 
						|
  br i1 %Cmp110, label %CF846, label %CF862
 | 
						|
 | 
						|
CF862:                                            ; preds = %CF877
 | 
						|
  %I114 = insertelement <4 x i64> zeroinitializer, i64 0, i32 0
 | 
						|
  %B115 = shl <4 x i64> zeroinitializer, %I114
 | 
						|
  %Sl124 = select i1 true, <8 x i1>* %A1, <8 x i1>* %A1
 | 
						|
  %B130 = frem double %B27, 0x59A989483BA7E0C6
 | 
						|
  %E143 = extractelement <4 x i64> %B115, i32 1
 | 
						|
  %Sl148 = select i1 %Cmp89, <1 x i32> undef, <1 x i32> zeroinitializer
 | 
						|
  br label %CF855
 | 
						|
 | 
						|
CF855:                                            ; preds = %CF855, %CF862
 | 
						|
  %Sl171 = select i1 %Sl74, i1 %E6, i1 undef
 | 
						|
  br i1 %Sl171, label %CF855, label %CF874
 | 
						|
 | 
						|
CF874:                                            ; preds = %CF855
 | 
						|
  %PC186 = bitcast i32* %1 to i16*
 | 
						|
  %L196 = load i16, i16* undef
 | 
						|
  %B207 = or i8 %4, %L23
 | 
						|
  %L211 = load <8 x i1>, <8 x i1>* %Sl124
 | 
						|
  %B215 = fdiv double 0x8421A9C0D21F6D3E, %B130
 | 
						|
  %L218 = load i16, i16* %PC186
 | 
						|
  %Sl223 = select i1 %Sl171, <4 x i1> %I86, <4 x i1> undef
 | 
						|
  br label %CF826
 | 
						|
 | 
						|
CF826:                                            ; preds = %CF866, %CF910, %CF874
 | 
						|
  %B245 = ashr i16 -11933, %L46
 | 
						|
  br label %CF910
 | 
						|
 | 
						|
CF910:                                            ; preds = %CF826
 | 
						|
  %L257 = load i8, i8* %0
 | 
						|
  %BC262 = bitcast i64 %E143 to double
 | 
						|
  store i16 %L196, i16* %PC186
 | 
						|
  %E266 = extractelement <4 x i16> %Shuff92, i32 0
 | 
						|
  %Sl271 = select i1 %Cmp89, i1 %Cmp89, i1 %Cmp110
 | 
						|
  br i1 %Sl271, label %CF826, label %CF866
 | 
						|
 | 
						|
CF866:                                            ; preds = %CF910
 | 
						|
  store i64 %E143, i64* %2
 | 
						|
  %I276 = insertelement <4 x double> undef, double %BC262, i32 3
 | 
						|
  %L281 = load <8 x i1>, <8 x i1>* %Sl124
 | 
						|
  %E282 = extractelement <4 x i1> zeroinitializer, i32 2
 | 
						|
  br i1 %E282, label %CF826, label %CF848
 | 
						|
 | 
						|
CF848:                                            ; preds = %CF866
 | 
						|
  %Cmp288 = fcmp olt <4 x double> undef, %I276
 | 
						|
  %FC294 = fptosi double undef to i16
 | 
						|
  %Cmp296 = icmp ule i16 %FC294, %B245
 | 
						|
  store i16 %L218, i16* undef
 | 
						|
  store i8 %L23, i8* %0
 | 
						|
  %E320 = extractelement <4 x i1> %Sl223, i32 1
 | 
						|
  %PC337 = bitcast <8 x i1>* %Sl124 to i1*
 | 
						|
  %Cmp345 = icmp uge <1 x i32> undef, %Sl148
 | 
						|
  store i16 %L196, i16* %PC186
 | 
						|
  br label %CF893
 | 
						|
 | 
						|
CF893:                                            ; preds = %CF893, %CF848
 | 
						|
  %Cmp361 = fcmp uge float undef, undef
 | 
						|
  br i1 %Cmp361, label %CF893, label %CF906
 | 
						|
 | 
						|
CF906:                                            ; preds = %CF893
 | 
						|
  store i16 -11933, i16* undef
 | 
						|
  %Shuff379 = shufflevector <1 x i1> undef, <1 x i1> %Cmp345, <1 x i32> <i32 1>
 | 
						|
  br label %CF850
 | 
						|
 | 
						|
CF850:                                            ; preds = %CF850, %CF906
 | 
						|
  br i1 undef, label %CF850, label %CF925
 | 
						|
 | 
						|
CF925:                                            ; preds = %CF850
 | 
						|
  store i16 %E266, i16* %PC186
 | 
						|
  %Cmp413 = icmp ugt i8 %L257, undef
 | 
						|
  store i16 %L30, i16* %PC186
 | 
						|
  %Sl420 = select i1 %Sl171, <8 x i1> undef, <8 x i1> %L281
 | 
						|
  store i16 %L90, i16* undef
 | 
						|
  %FC469 = uitofp i1 %Cmp296 to float
 | 
						|
  store i1 %Cmp413, i1* %PC337
 | 
						|
  br label %CF833
 | 
						|
 | 
						|
CF833:                                            ; preds = %CF833, %CF925
 | 
						|
  store i8 %B207, i8* %0
 | 
						|
  %E509 = extractelement <8 x i1> %L211, i32 7
 | 
						|
  br i1 %E509, label %CF833, label %CF882
 | 
						|
 | 
						|
CF882:                                            ; preds = %CF833
 | 
						|
  store i1 %Sl271, i1* %PC337
 | 
						|
  br label %CF852
 | 
						|
 | 
						|
CF852:                                            ; preds = %CF896, %CF882
 | 
						|
  store i1 %Sl74, i1* %PC337
 | 
						|
  br label %CF896
 | 
						|
 | 
						|
CF896:                                            ; preds = %CF852
 | 
						|
  %E576 = extractelement <4 x i1> %Cmp288, i32 3
 | 
						|
  br i1 %E576, label %CF852, label %CF890
 | 
						|
 | 
						|
CF890:                                            ; preds = %CF896
 | 
						|
  %Sl581 = select i1 undef, float undef, float %FC469
 | 
						|
  unreachable
 | 
						|
}
 |