# RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx803 -run-pass=register-coalescer -o - %s | FileCheck -check-prefix=GCN %s
# With one version of the D48102 fix, this test failed with
# Assertion failed: (ValNo && "CopyMI input register not live"), function reMaterializeTrivialDef, file ../lib/CodeGen/RegisterCoalescer.cpp, line 1107.
# GCN: {{^body}}
--- |
target datalayout = "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5"
target triple = "amdgcn--amdpal"
define amdgpu_cs void @_amdgpu_cs_main(<3 x i32>) #0 {
ret void
}
attributes #0 = { nounwind "target-cpu"="gfx803" }
...
---
name: _amdgpu_cs_main
tracksRegLiveness: true
body: |
bb.0:
successors: %bb.1(0x40000000), %bb.2(0x40000000)
%0:vgpr_32 = nofpexcept V_MUL_F32_e32 0, undef %1:vgpr_32, implicit $mode, implicit $exec
%2:vgpr_32 = nofpexcept V_CVT_U32_F32_e32 killed %0, implicit $mode, implicit $exec
%3:vgpr_32 = nofpexcept V_CVT_F32_I32_e32 killed %2, implicit $mode, implicit $exec
%4:vgpr_32 = nofpexcept V_CVT_U32_F32_e32 killed %3, implicit $mode, implicit $exec
%5:vgpr_32 = V_LSHRREV_B32_e32 4, killed %4, implicit $exec
S_CBRANCH_SCC0 %bb.2, implicit undef $scc
bb.1:
successors: %bb.5(0x80000000)
undef %6.sub1:vreg_128 = COPY killed %5
%7:vreg_128 = COPY killed %6
S_BRANCH %bb.5
bb.2:
successors: %bb.3(0x40000000), %bb.4(0x40000000)
S_CBRANCH_SCC0 %bb.4, implicit undef $scc
bb.3:
successors: %bb.5(0x80000000)
%8:sreg_32_xm0 = S_MOV_B32 0
undef %9.sub0:sgpr_128 = COPY %8
%9.sub1:sgpr_128 = COPY %8
%9.sub2:sgpr_128 = COPY %8
%9.sub3:sgpr_128 = COPY killed %8
%10:vreg_128 = COPY killed %9
%7:vreg_128 = COPY killed %10
S_BRANCH %bb.5
bb.4:
successors: %bb.5(0x80000000)
%11:sreg_32_xm0 = S_MOV_B32 0
undef %12.sub0:sgpr_128 = COPY %11
%12.sub1:sgpr_128 = COPY %11
%12.sub2:sgpr_128 = COPY %11
%12.sub3:sgpr_128 = COPY killed %11
%13:sgpr_128 = COPY killed %12
%14:vreg_128 = COPY killed %13
%7:vreg_128 = COPY killed %14
bb.5:
successors: %bb.8(0x40000000), %bb.6(0x40000000)
%15:vreg_128 = COPY killed %7
S_CBRANCH_SCC0 %bb.8, implicit undef $scc
bb.6:
successors: %bb.7(0x80000000)
%16:vreg_128 = COPY killed %15
bb.7:
successors: %bb.14(0x80000000)
%17:vreg_128 = COPY killed %16
S_BRANCH %bb.14
bb.8:
successors: %bb.9(0x40000000), %bb.11(0x40000000)
%18:vgpr_32 = V_MUL_LO_I32_e64 %15.sub1, target-flags(amdgpu-gotprel32-lo) 7, implicit $exec
S_CBRANCH_SCC1 %bb.11, implicit undef $scc
S_BRANCH %bb.9
bb.9:
successors: %bb.10(0x80000000)
%19:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_IDXEN killed %18, undef %20:sgpr_128, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s128) from constant-pool, align 1, addrspace 4)
%21:sreg_64 = V_CMP_NE_U32_e64 target-flags(amdgpu-gotprel) 0, killed %19.sub0, implicit $exec
%22:sreg_64 = COPY $exec, implicit-def $exec
%23:sreg_64 = S_AND_B64 %22, %21, implicit-def dead $scc
$exec = S_MOV_B64_term killed %23
bb.10:
successors: %bb.12(0x80000000)
$exec = S_OR_B64 $exec, killed %22, implicit-def $scc
S_BRANCH %bb.12
bb.11:
successors: %bb.13(0x80000000)
%24:vreg_128 = COPY killed %15
%24.sub0:vreg_128 = COPY undef %18
S_BRANCH %bb.13
bb.12:
successors: %bb.11(0x80000000)
S_BRANCH %bb.11
bb.13:
successors: %bb.7(0x80000000)
%16:vreg_128 = COPY killed %24
S_BRANCH %bb.7
bb.14:
successors: %bb.15(0x80000000)
S_CBRANCH_SCC1 %bb.15, implicit undef $scc
S_BRANCH %bb.15
bb.15:
undef %25.sub2:vreg_128 = COPY killed %17.sub2
%26:sreg_32_xm0 = S_MOV_B32 0
undef %27.sub0:sgpr_256 = COPY %26
%27.sub1:sgpr_256 = COPY %26
%27.sub2:sgpr_256 = COPY %26
%27.sub3:sgpr_256 = COPY %26
%27.sub4:sgpr_256 = COPY %26
%27.sub5:sgpr_256 = COPY %26
%27.sub6:sgpr_256 = COPY %26
%27.sub7:sgpr_256 = COPY killed %26
%28:vgpr_32 = IMAGE_LOAD_V1_V4 killed %25, killed %27, 2, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load (s128) from constant-pool, addrspace 4)
%29:vgpr_32 = nofpexcept V_ADD_F32_e32 0, killed %28, implicit $mode, implicit $exec
$m0 = S_MOV_B32 -1
DS_WRITE_B32 undef %30:vgpr_32, killed %29, 0, 0, implicit $m0, implicit $exec :: (store (s32) into `ptr addrspace(3) undef`, addrspace 3)
S_ENDPGM 0
...
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