llvm-project/llvm/test/CodeGen/AMDGPU/subreg-coalescer-crash.ll

110 lines
4.4 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs -o - %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -o - %s
; SI-LABEL:{{^}}row_filter_C1_D0:
; SI: s_endpgm
; Function Attrs: nounwind
define void @row_filter_C1_D0() {
entry:
br i1 undef, label %for.inc.1, label %do.body.preheader
do.body.preheader: ; preds = %entry
%0 = insertelement <4 x i32> zeroinitializer, i32 undef, i32 1
br i1 undef, label %do.body56.1, label %do.body90
do.body90: ; preds = %do.body56.2, %do.body56.1, %do.body.preheader
%1 = phi <4 x i32> [ %6, %do.body56.2 ], [ %5, %do.body56.1 ], [ %0, %do.body.preheader ]
%2 = insertelement <4 x i32> %1, i32 undef, i32 2
%3 = insertelement <4 x i32> %2, i32 undef, i32 3
br i1 undef, label %do.body124.1, label %do.body.1562.preheader
do.body.1562.preheader: ; preds = %do.body124.1, %do.body90
%storemerge = phi <4 x i32> [ %3, %do.body90 ], [ %7, %do.body124.1 ]
%4 = insertelement <4 x i32> undef, i32 undef, i32 1
br label %for.inc.1
do.body56.1: ; preds = %do.body.preheader
%5 = insertelement <4 x i32> %0, i32 undef, i32 1
%or.cond472.1 = or i1 undef, undef
br i1 %or.cond472.1, label %do.body56.2, label %do.body90
do.body56.2: ; preds = %do.body56.1
%6 = insertelement <4 x i32> %5, i32 undef, i32 1
br label %do.body90
do.body124.1: ; preds = %do.body90
%7 = insertelement <4 x i32> %3, i32 undef, i32 3
br label %do.body.1562.preheader
for.inc.1: ; preds = %do.body.1562.preheader, %entry
%storemerge591 = phi <4 x i32> [ zeroinitializer, %entry ], [ %storemerge, %do.body.1562.preheader ]
%add.i495 = add <4 x i32> %storemerge591, undef
unreachable
}
; SI-LABEL: {{^}}foo:
; SI: s_endpgm
define amdgpu_ps void @foo() #0 {
bb:
br i1 undef, label %bb2, label %bb1
bb1: ; preds = %bb
br i1 undef, label %bb4, label %bb6
bb2: ; preds = %bb4, %bb
%tmp = phi float [ %tmp5, %bb4 ], [ 0.000000e+00, %bb ]
br i1 undef, label %bb9, label %bb13
bb4: ; preds = %bb7, %bb6, %bb1
%tmp5 = phi float [ undef, %bb1 ], [ undef, %bb6 ], [ %tmp8, %bb7 ]
br label %bb2
bb6: ; preds = %bb1
br i1 undef, label %bb7, label %bb4
bb7: ; preds = %bb6
%tmp8 = fmul float undef, undef
br label %bb4
bb9: ; preds = %bb2
%tmp10 = call <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32> undef, <8 x i32> undef, <4 x i32> undef, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0)
%tmp11 = extractelement <4 x float> %tmp10, i32 1
%tmp12 = extractelement <4 x float> %tmp10, i32 3
br label %bb14
bb13: ; preds = %bb2
br i1 undef, label %bb23, label %bb24
bb14: ; preds = %bb27, %bb24, %bb9
%tmp15 = phi float [ %tmp12, %bb9 ], [ undef, %bb27 ], [ 0.000000e+00, %bb24 ]
%tmp16 = phi float [ %tmp11, %bb9 ], [ undef, %bb27 ], [ %tmp25, %bb24 ]
%tmp17 = fmul float 10.5, %tmp16
%tmp18 = fmul float 11.5, %tmp15
call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %tmp18, float %tmp17, float %tmp17, float %tmp17)
ret void
bb23: ; preds = %bb13
br i1 undef, label %bb24, label %bb26
bb24: ; preds = %bb26, %bb23, %bb13
%tmp25 = phi float [ %tmp, %bb13 ], [ %tmp, %bb26 ], [ 0.000000e+00, %bb23 ]
br i1 undef, label %bb27, label %bb14
bb26: ; preds = %bb23
br label %bb24
bb27: ; preds = %bb24
br label %bb14
}
; Function Attrs: nounwind readnone
declare <4 x float> @llvm.SI.image.sample.v2i32(<2 x i32>, <8 x i32>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #1
; Function Attrs: nounwind readnone
declare i32 @llvm.SI.packf16(float, float) #1
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
attributes #0 = { "enable-no-nans-fp-math"="true" "unsafe-fp-math"="true" }
attributes #1 = { nounwind readnone }