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| ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
;
; This test used to crash with the following assertion:
; llc: include/llvm/ADT/IntervalMap.h:632: unsigned int llvm::IntervalMapImpl::LeafNode<llvm::SlotIndex, llvm::LiveInterval *, 8, llvm::IntervalMapInfo<llvm::SlotIndex> >::insertFrom(unsigned int &, unsigned int, KeyT, KeyT, ValT) [KeyT = llvm::SlotIndex, ValT = llvm::LiveInterval *, N = 8, Traits = llvm::IntervalMapInfo<llvm::SlotIndex>]: Assertion `(i == Size || Traits::stopLess(b, start(i))) && "Overlapping insert"' failed.
;
; This was related to incorrectly calculating subregister live ranges
; (i.e. live interval subranges): subregister defs are not uses for that
; purpose.
;
; Check for a valid output.
; CHECK: image_sample_c
define amdgpu_ps <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> @main([17 x <16 x i8>] addrspace(4)* inreg dereferenceable(18446744073709551615) %arg, [16 x <16 x i8>] addrspace(4)* inreg dereferenceable(18446744073709551615) %arg1, [32 x <8 x i32>] addrspace(4)* inreg dereferenceable(18446744073709551615) %arg2, [16 x <8 x i32>] addrspace(4)* inreg dereferenceable(18446744073709551615) %arg3, [16 x <4 x i32>] addrspace(4)* inreg dereferenceable(18446744073709551615) %arg4, float inreg %arg5, i32 inreg %arg6, <2 x i32> %arg7, <2 x i32> %arg8, <2 x i32> %arg9, <3 x i32> %arg10, <2 x i32> %arg11, <2 x i32> %arg12, <2 x i32> %arg13, float %arg14, float %arg15, float %arg16, float %arg17, float %arg18, i32 %arg19, i32 %arg20, float %arg21, i32 %arg22) #0 {
main_body:
%i.i = extractelement <2 x i32> %arg8, i32 0
%j.i = extractelement <2 x i32> %arg8, i32 1
%i.f.i = bitcast i32 %i.i to float
%j.f.i = bitcast i32 %j.i to float
%p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 3, i32 4, i32 %arg6) #2
%p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 3, i32 4, i32 %arg6) #2
%tmp23 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float undef, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%tmp24 = extractelement <4 x float> %tmp23, i32 3
%tmp25 = fmul float %tmp24, %tmp24
%tmp26 = fmul float %p2.i, %p2.i
%tmp27 = fadd float %tmp26, %tmp26
%tmp32 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float %tmp27, float 0.0, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%tmp33 = extractelement <4 x float> %tmp32, i32 0
%tmp34 = fadd float %tmp33, %tmp33
%tmp35 = fadd float %tmp34, %tmp34
%tmp36 = fadd float %tmp35, %tmp35
%tmp37 = fadd float %tmp36, %tmp36
%tmp38 = fadd float %tmp37, %tmp37
%tmp39 = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float undef, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%tmp40 = extractelement <4 x float> %tmp39, i32 0
%tmp41 = extractelement <4 x float> %tmp39, i32 1
%tmp42 = extractelement <4 x float> %tmp39, i32 2
%tmp43 = extractelement <4 x float> %tmp39, i32 3
%tmp44 = fmul float %tmp40, %tmp40
%tmp45 = fmul float %tmp41, %tmp41
%tmp46 = fmul float %tmp42, %tmp41
%tmp47 = fmul float %tmp43, %tmp43
%tmp48 = fadd float %tmp44, %tmp44
%tmp49 = fadd float %tmp45, %tmp45
%tmp50 = bitcast float %tmp27 to i32
%tmp51 = bitcast float %tmp48 to i32
%tmp52 = bitcast float %tmp49 to i32
%tmp53 = insertelement <4 x i32> undef, i32 %tmp50, i32 0
%tmp54 = insertelement <4 x i32> %tmp53, i32 %tmp51, i32 1
%tmp55 = insertelement <4 x i32> %tmp54, i32 %tmp52, i32 2
%tmp55.cast = bitcast <4 x i32> %tmp55 to <4 x float>
%tmp56 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float %tmp27, float %tmp48, float %tmp49, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%tmp57 = extractelement <4 x float> %tmp56, i32 0
%tmp58 = fadd float %tmp38, %tmp57
%tmp59 = fadd float %tmp46, %tmp46
%tmp60 = fadd float %tmp47, %tmp47
%tmp65 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float undef, float %tmp59, float %tmp60, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%tmp66 = extractelement <4 x float> %tmp65, i32 0
%tmp67 = fadd float %tmp58, %tmp66
%tmp68 = fmul float %tmp67, 1.250000e-01
%tmp69 = fmul float %tmp68, %tmp68
%tmp70 = fcmp une float %tmp69, 0.000000e+00
br i1 %tmp70, label %IF26, label %ENDIF25
IF26: ; preds = %main_body
%tmp71 = bitcast float %tmp27 to i32
%tmp72 = insertelement <4 x i32> undef, i32 %tmp71, i32 0
br label %LOOP
ENDIF25: ; preds = %IF29, %main_body
%.4 = phi float [ %tmp84, %IF29 ], [ %tmp68, %main_body ]
%tmp73 = fadd float %.4, %.4
%max.0.i = call float @llvm.maxnum.f32(float %tmp73, float 0.000000e+00)
%clamp.i = call float @llvm.minnum.f32(float %max.0.i, float 1.000000e+00)
%tmp75 = fmul float %clamp.i, %clamp.i
%tmp76 = fmul float %tmp75, %tmp75
%tmp77 = fadd float %tmp76, %tmp76
%tmp78 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> undef, float %tmp77, 11
%tmp79 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp78, float undef, 12
%tmp80 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp79, float undef, 13
%tmp81 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp80, float %tmp25, 14
%tmp82 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp81, float undef, 15
%tmp83 = insertvalue <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp82, float %arg21, 24
ret <{ i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, float, float, float, float, float, float, float, float, float, float, float, float, float }> %tmp83
LOOP: ; preds = %ENDIF28, %IF26
%.5 = phi float [ undef, %IF26 ], [ %tmp89, %ENDIF28 ]
br i1 false, label %IF29, label %ENDIF28
IF29: ; preds = %LOOP
%tmp84 = fmul float %.5, 3.125000e-02
br label %ENDIF25
ENDIF28: ; preds = %LOOP
%tmp87 = call <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32 15, float %tmp27, float undef, float undef, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%tmp88 = extractelement <4 x float> %tmp87, i32 0
%tmp89 = fadd float %tmp88, %tmp88
br label %LOOP
}
declare float @llvm.minnum.f32(float, float) #1
declare float @llvm.maxnum.f32(float, float) #1
declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #1
declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #1
declare <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32, float, float, <8 x i32>, <4 x i32>, i1, i32, i32) #2
declare <4 x float> @llvm.amdgcn.image.sample.c.2d.v4f32.f32(i32, float, float, float, <8 x i32>, <4 x i32>, i1, i32, i32) #2
attributes #0 = { nounwind "InitialPSInputAddr"="36983" "target-cpu"="tonga" }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind readonly }
attributes #3 = { nounwind }
|