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-rw-r--r--llvm/test/CodeGen/AMDGPU/coalescer-subranges-another-prune-error.mir268
1 files changed, 268 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/coalescer-subranges-another-prune-error.mir b/llvm/test/CodeGen/AMDGPU/coalescer-subranges-another-prune-error.mir
new file mode 100644
index 00000000000..4e5408f946f
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/coalescer-subranges-another-prune-error.mir
@@ -0,0 +1,268 @@
+# RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx803 -run-pass=simple-register-coalescing -o - %s | FileCheck -check-prefix=GCN %s
+
+# With one version of the D48102 fix, this test failed with
+# Assertion failed: (Id != S.end() && T != S.end() && T->valno == Id->valno), function pruneSubRegValues, file ../lib/CodeGen/RegisterCoalescer.cpp, line 2875.
+
+# 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"
+
+ ; Function Attrs: nounwind
+ define amdgpu_ps void @_amdgpu_ps_main(float %arg) #0 {
+ ret void
+ }
+
+ attributes #0 = { nounwind "InitialPSInputAddr"="3842" "target-cpu"="gfx803" }
+...
+
+---
+name: _amdgpu_ps_main
+tracksRegLiveness: true
+body: |
+ bb.0:
+ successors: %bb.2(0x40000000), %bb.1(0x40000000)
+ %0:sreg_64 = COPY $exec
+ %1:sgpr_32 = S_MOV_B32 0
+ undef %2.sub0:sreg_128 = COPY %1
+ %2.sub1:sreg_128 = COPY %1
+ %2.sub2:sreg_128 = COPY %1
+ %2.sub3:sreg_128 = COPY %1
+ $exec = S_WQM_B64 $exec, implicit-def dead $scc
+ S_CBRANCH_SCC0 %bb.2, implicit undef $scc
+
+ bb.1:
+ successors: %bb.3(0x80000000)
+ %3:sreg_128 = COPY killed %2
+ %4:vreg_128 = COPY killed %3
+ %5:vreg_128 = COPY killed %4
+ S_BRANCH %bb.3
+
+ bb.2:
+ successors: %bb.4(0x80000000)
+ %6:vgpr_32 = V_MUL_F32_e32 1031798784, undef %7:vgpr_32, implicit $exec
+ %8:vgpr_32 = V_FLOOR_F32_e32 killed %6, implicit $exec
+ %9:vgpr_32 = V_ADD_F32_e32 0, killed %8, implicit $exec
+ %10:vgpr_32 = V_CVT_U32_F32_e32 killed %9, implicit $exec
+ %11:vgpr_32 = V_LSHLREV_B32_e32 1, killed %10, implicit $exec
+ %12:sreg_64 = S_MOV_B64 0
+ %13:sreg_128 = COPY killed %2
+ %14:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+ %15:vreg_128 = COPY killed %13
+ %16:sreg_64 = COPY killed %12
+ %17:vreg_128 = IMPLICIT_DEF
+ %18:vgpr_32 = COPY killed %14
+ %19:vreg_128 = COPY killed %15
+ S_BRANCH %bb.4
+
+ bb.3:
+ successors: %bb.17(0x80000000)
+ %20:vreg_128 = COPY killed %5
+ S_BRANCH %bb.17
+
+ bb.4:
+ successors: %bb.8(0x40000000), %bb.9(0x40000000)
+ %21:vreg_128 = COPY killed %19
+ %22:vgpr_32 = COPY killed %18
+ %23:vreg_128 = COPY killed %17
+ %24:sreg_64 = COPY killed %16
+ %25:vgpr_32 = V_OR_B32_e32 %22, %11, implicit $exec
+ %26:vreg_128 = BUFFER_LOAD_FORMAT_XYZW_IDXEN killed %25, undef %27:sreg_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 16 from constant-pool, align 1, addrspace 4)
+ %28:vgpr_32 = V_LSHRREV_B32_e32 30, killed %26.sub0, implicit $exec
+ %29:vreg_128 = COPY killed %21
+ %29.sub0:vreg_128 = COPY %1
+ %30:sreg_64 = V_CMP_NE_U32_e64 0, %28, implicit $exec
+ %31:sreg_64_xexec = V_CMP_EQ_U32_e64 0, %28, implicit $exec
+ dead %32:vgpr_32 = V_CNDMASK_B32_e64 0, -1, killed %31, implicit $exec
+ %33:vreg_128 = COPY %29
+ %33.sub1:vreg_128 = COPY undef %32
+ %34:vgpr_32 = V_MOV_B32_e32 -1, implicit $exec
+ %35:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+ %36:sreg_64 = COPY %24
+ %37:vreg_128 = COPY %23
+ %38:vreg_128 = IMPLICIT_DEF
+ %39:vreg_128 = IMPLICIT_DEF
+ %40:vgpr_32 = IMPLICIT_DEF
+ %41:vreg_1 = COPY killed %35
+ %42:vreg_1 = COPY killed %34
+ %43:sreg_64 = COPY $exec, implicit-def $exec
+ %44:sreg_64 = S_AND_B64 %43, %30, implicit-def dead $scc
+ %45:sreg_64 = S_XOR_B64 %44, %43, implicit-def dead $scc
+ $exec = S_MOV_B64_term killed %44
+ SI_MASK_BRANCH %bb.9, implicit $exec
+ S_BRANCH %bb.8
+
+ bb.5:
+ successors: %bb.9(0x80000000)
+ $exec = S_OR_B64 $exec, %46, implicit-def $scc
+ %47:vreg_1 = COPY killed %48
+ %49:vgpr_32 = COPY killed %50
+ %51:vreg_128 = COPY killed %52
+ %53:vreg_128 = COPY killed %54
+ %55:sreg_64 = COPY killed %56
+ %57:sreg_64 = S_AND_B64 $exec, %46, implicit-def $scc
+ %57:sreg_64 = S_OR_B64 %57, killed %55, implicit-def $scc
+ %58:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+ %36:sreg_64 = COPY killed %57
+ %37:vreg_128 = COPY killed %53
+ %38:vreg_128 = COPY killed %59
+ %39:vreg_128 = COPY killed %51
+ %40:vgpr_32 = COPY killed %49
+ %41:vreg_1 = COPY killed %47
+ %42:vreg_1 = COPY killed %58
+ S_BRANCH %bb.9
+
+ bb.6:
+ successors: %bb.7(0x40000000), %bb.13(0x40000000)
+ $exec = S_OR_B64 $exec, killed %60, implicit-def $scc
+ %61:sreg_64 = V_CMP_NE_U32_e64 0, killed %62, implicit $exec
+ %63:vreg_128 = COPY killed %64
+ %65:vreg_1 = COPY killed %66
+ %67:sreg_64 = COPY $exec, implicit-def $exec
+ %68:sreg_64 = S_AND_B64 %67, %61, implicit-def dead $scc
+ $exec = S_MOV_B64_term killed %68
+ SI_MASK_BRANCH %bb.13, implicit $exec
+ S_BRANCH %bb.7
+
+ bb.7:
+ successors: %bb.13(0x80000000)
+ %69:vgpr_32 = V_MOV_B32_e32 -1, implicit $exec
+ %70:vreg_128 = COPY killed %33
+ %63:vreg_128 = COPY killed %70
+ %65:vreg_1 = COPY killed %69
+ S_BRANCH %bb.13
+
+ bb.8:
+ successors: %bb.10(0x80000000)
+ %71:sreg_64 = S_MOV_B64 0
+ %72:vreg_128 = COPY %33
+ %73:sreg_64 = COPY killed %71
+ %74:vreg_128 = COPY killed %72
+ %75:vreg_128 = COPY killed %29
+ S_BRANCH %bb.10
+
+ bb.9:
+ successors: %bb.6(0x04000000), %bb.4(0x7c000000)
+ $exec = S_OR_B64 $exec, %45, implicit-def $scc
+ %62:vreg_1 = COPY killed %42
+ %66:vreg_1 = COPY killed %41
+ %76:vgpr_32 = COPY killed %40
+ %77:vreg_128 = COPY killed %39
+ %64:vreg_128 = COPY killed %38
+ %78:vreg_128 = COPY killed %37
+ %79:sreg_64 = COPY killed %36
+ %60:sreg_64 = S_AND_B64 $exec, %45, implicit-def $scc
+ %60:sreg_64 = S_OR_B64 %60, killed %79, implicit-def $scc
+ %80:vreg_128 = COPY %78
+ %16:sreg_64 = COPY %60
+ %17:vreg_128 = COPY killed %80
+ %18:vgpr_32 = COPY killed %76
+ %19:vreg_128 = COPY killed %77
+ $exec = S_ANDN2_B64_term $exec, %60
+ S_CBRANCH_EXECNZ %bb.4, implicit $exec
+ S_BRANCH %bb.6
+
+ bb.10:
+ successors: %bb.11(0x80000000)
+ %81:vreg_128 = COPY killed %75
+ %82:vreg_128 = COPY killed %74
+ %83:sreg_64 = COPY killed %73
+
+ bb.11:
+ successors: %bb.12(0x04000000), %bb.10(0x7c000000)
+ undef %59.sub0:vreg_128 = COPY %81.sub0
+ %59.sub2:vreg_128 = COPY %82.sub2
+ %59.sub3:vreg_128 = COPY killed %82.sub3
+ %84:sreg_64 = V_CMP_GE_U32_e64 killed %81.sub0, %28, implicit $exec
+ %85:sreg_64 = S_OR_B64 killed %84, killed %83, implicit-def $scc
+ %86:vreg_128 = COPY %59
+ %73:sreg_64 = COPY %85
+ %74:vreg_128 = COPY %59
+ %75:vreg_128 = COPY killed %86
+ $exec = S_ANDN2_B64_term $exec, %85
+ S_CBRANCH_EXECNZ %bb.10, implicit $exec
+ S_BRANCH %bb.12
+
+ bb.12:
+ successors: %bb.15(0x40000000), %bb.5(0x40000000)
+ $exec = S_OR_B64 $exec, killed %85, implicit-def $scc
+ %87:sreg_64 = V_CMP_LT_U32_e64 11, killed %28, implicit $exec
+ %88:vgpr_32 = V_MOV_B32_e32 -1, implicit $exec
+ %56:sreg_64 = COPY %24
+ %54:vreg_128 = COPY killed %23
+ %52:vreg_128 = IMPLICIT_DEF
+ %50:vgpr_32 = IMPLICIT_DEF
+ %48:vreg_1 = COPY killed %88
+ %89:sreg_64 = COPY $exec, implicit-def $exec
+ %90:sreg_64 = S_AND_B64 %89, %87, implicit-def dead $scc
+ %46:sreg_64 = S_XOR_B64 %90, %89, implicit-def dead $scc
+ $exec = S_MOV_B64_term killed %90
+ SI_MASK_BRANCH %bb.5, implicit $exec
+ S_BRANCH %bb.15
+
+ bb.13:
+ successors: %bb.14(0x40000000), %bb.16(0x40000000)
+ $exec = S_OR_B64 $exec, killed %67, implicit-def $scc
+ %91:vreg_1 = COPY killed %65
+ %92:vreg_128 = COPY killed %63
+ %93:sreg_64 = V_CMP_NE_U32_e64 0, killed %91, implicit $exec
+ %94:vreg_128 = COPY killed %78
+ %95:sreg_64 = COPY $exec, implicit-def $exec
+ %96:sreg_64 = S_AND_B64 %95, %93, implicit-def dead $scc
+ $exec = S_MOV_B64_term killed %96
+ SI_MASK_BRANCH %bb.16, implicit $exec
+ S_BRANCH %bb.14
+
+ bb.14:
+ successors: %bb.16(0x80000000)
+ %97:vreg_128 = COPY killed %92
+ %94:vreg_128 = COPY killed %97
+ S_BRANCH %bb.16
+
+ bb.15:
+ successors: %bb.5(0x80000000)
+ %98:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
+ %99:sreg_64 = V_CMP_NE_U32_e64 0, killed %22, implicit $exec
+ %100:sreg_64 = S_OR_B64 killed %99, killed %24, implicit-def $scc
+ %101:vreg_128 = COPY %59
+ %102:vgpr_32 = V_MOV_B32_e32 1, implicit $exec
+ %56:sreg_64 = COPY killed %100
+ %54:vreg_128 = COPY killed %101
+ %52:vreg_128 = COPY %59
+ %50:vgpr_32 = COPY killed %102
+ %48:vreg_1 = COPY killed %98
+ S_BRANCH %bb.5
+
+ bb.16:
+ successors: %bb.3(0x80000000)
+ $exec = S_OR_B64 $exec, killed %95, implicit-def $scc
+ %103:vreg_128 = COPY killed %94
+ %104:vreg_128 = COPY killed %103
+ %5:vreg_128 = COPY killed %104
+ S_BRANCH %bb.3
+
+ bb.17:
+ %105:vgpr_32 = V_ADD_F32_e32 target-flags(amdgpu-rel32-lo) 0, %20.sub3, implicit $exec
+ %106:vgpr_32 = V_ADD_F32_e32 target-flags(amdgpu-gotprel32-hi) 0, killed %20.sub2, implicit $exec
+ undef %107.sub0:vreg_64 = COPY killed %106
+ %107.sub1:vreg_64 = COPY killed %105
+ $exec = S_AND_B64 $exec, killed %0, implicit-def dead $scc
+ %108:sreg_32_xm0 = S_MOV_B32 0
+ undef %109.sub0:sreg_256 = COPY %108
+ %109.sub1:sreg_256 = COPY %108
+ %109.sub2:sreg_256 = COPY %108
+ %109.sub3:sreg_256 = COPY %108
+ %109.sub4:sreg_256 = COPY %108
+ %109.sub5:sreg_256 = COPY %108
+ %109.sub6:sreg_256 = COPY %108
+ %109.sub7:sreg_256 = COPY killed %108
+ %110:vgpr_32 = IMAGE_SAMPLE_V1_V2 killed %107, killed %109, undef %111:sreg_128, 8, 0, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 16 from constant-pool, addrspace 4)
+ %112:vgpr_32 = V_MUL_F32_e32 0, killed %110, implicit $exec
+ %113:vgpr_32 = V_MUL_F32_e32 0, killed %112, implicit $exec
+ %114:vgpr_32 = V_MAD_F32 0, killed %113, 0, 0, 0, 0, 0, 0, implicit $exec
+ %115:vgpr_32 = V_MAX_F32_e32 0, killed %114, implicit $exec
+ %116:vgpr_32 = V_CVT_PKRTZ_F16_F32_e64 0, killed %115, 0, 1065353216, 0, implicit $exec
+ EXP 0, undef %117:vgpr_32, killed %116, undef %118:vgpr_32, undef %119:vgpr_32, -1, -1, 15, implicit $exec
+ S_ENDPGM
+...
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