llvm-project/llvm/test/CodeGen/Hexagon/reg-scavengebug-4.ll

205 lines
12 KiB
LLVM

; RUN: llc -march=hexagon < %s
; REQUIRES: asserts
; Test that the register scavenger does not fail because it can't find
; a spill slot. This occurs the offset for a spilled object is too large
; and requires another register to compute the location on the stack.
; Function Attrs: nounwind
define void @f0(i8* nocapture readonly %a0, i32 %a1, i32 %a2, i8* nocapture readonly %a3, i8* nocapture readonly %a4, i8* nocapture %a5) #0 {
b0:
%v0 = tail call <16 x i32> @llvm.hexagon.V6.vshuffb(<16 x i32> zeroinitializer)
br i1 undef, label %b1, label %b5
b1: ; preds = %b0
%v1 = getelementptr inbounds i8, i8* %a3, i32 31
br label %b2
b2: ; preds = %b4, %b1
%v2 = phi <16 x i32>* [ undef, %b1 ], [ %v102, %b4 ]
%v3 = phi i32 [ %a2, %b1 ], [ undef, %b4 ]
%v4 = tail call <32 x i32> @llvm.hexagon.V6.vmpyh(<16 x i32> undef, i32 undef)
br label %b3
b3: ; preds = %b3, %b2
%v5 = phi <32 x i32> [ %v4, %b2 ], [ %v72, %b3 ]
%v6 = phi <32 x i32> [ zeroinitializer, %b2 ], [ %v71, %b3 ]
%v7 = phi i32 [ -4, %b2 ], [ %v73, %b3 ]
%v8 = load <16 x i32>, <16 x i32>* undef, align 64
%v9 = mul nsw i32 %v7, 9
%v10 = tail call <16 x i32> @llvm.hexagon.V6.vlalignb(<16 x i32> %v8, <16 x i32> undef, i32 4)
%v11 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> undef, <16 x i32> %v8, i32 4)
%v12 = tail call <16 x i32> @llvm.hexagon.V6.vabsdiffub(<16 x i32> %v10, <16 x i32> undef)
%v13 = tail call <16 x i32> @llvm.hexagon.V6.vabsdiffub(<16 x i32> %v11, <16 x i32> undef)
%v14 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb(<16 x i32> %v12, <16 x i32> zeroinitializer, i32 0)
%v15 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v14, <16 x i32> %v12, <16 x i32> zeroinitializer, i32 1)
%v16 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v15, <16 x i32> %v12, <16 x i32> undef, i32 2)
%v17 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v16, <16 x i32> %v12, <16 x i32> undef, i32 3)
%v18 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v17, <16 x i32> %v12, <16 x i32> %v0, i32 4)
%v19 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v18, <16 x i32> %v12, <16 x i32> %v0, i32 5)
%v20 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v19, <16 x i32> %v12, <16 x i32> undef, i32 6)
%v21 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v20, <16 x i32> %v12, <16 x i32> undef, i32 7)
%v22 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> undef, <16 x i32> %v13, <16 x i32> %v0, i32 4)
%v23 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v22, <16 x i32> %v13, <16 x i32> %v0, i32 5)
%v24 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v23, <16 x i32> %v13, <16 x i32> undef, i32 6)
%v25 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> %v24, <16 x i32> %v13, <16 x i32> undef, i32 7)
%v26 = add nsw i32 %v9, 36
%v27 = getelementptr inbounds i8, i8* %a3, i32 %v26
%v28 = load i8, i8* %v27, align 1
%v29 = zext i8 %v28 to i32
%v30 = tail call i32 @llvm.hexagon.S2.vsplatrb(i32 %v29)
%v31 = tail call <32 x i32> @llvm.hexagon.V6.vmpyub(<16 x i32> %v21, i32 %v30)
%v32 = tail call <32 x i32> @llvm.hexagon.V6.vmpyub(<16 x i32> %v25, i32 %v30)
%v33 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v31)
%v34 = tail call <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32> undef, <16 x i32> %v33)
%v35 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %v32)
%v36 = tail call <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32> %v35, <16 x i32> undef)
%v37 = tail call <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32> %v36, <16 x i32> %v34)
%v38 = tail call <32 x i32> @llvm.hexagon.V6.vmpabus.acc(<32 x i32> %v6, <32 x i32> %v37, i32 16843009)
%v39 = tail call <32 x i32> @llvm.hexagon.V6.vmpyubv(<16 x i32> %v10, <16 x i32> %v34)
%v40 = tail call <32 x i32> @llvm.hexagon.V6.vmpyubv(<16 x i32> %v11, <16 x i32> %v36)
%v41 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v39)
%v42 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v40)
%v43 = tail call <32 x i32> @llvm.hexagon.V6.vadduhw(<16 x i32> %v41, <16 x i32> %v42)
%v44 = tail call <32 x i32> @llvm.hexagon.V6.vaddw.dv(<32 x i32> %v5, <32 x i32> %v43)
%v45 = add nsw i32 %v9, 37
%v46 = getelementptr inbounds i8, i8* %a3, i32 %v45
%v47 = load i8, i8* %v46, align 1
%v48 = tail call <32 x i32> @llvm.hexagon.V6.vmpabus.acc(<32 x i32> %v38, <32 x i32> undef, i32 16843009)
%v49 = tail call <32 x i32> @llvm.hexagon.V6.vaddw.dv(<32 x i32> %v44, <32 x i32> undef)
%v50 = tail call <16 x i32> @llvm.hexagon.V6.vlalignb(<16 x i32> %v8, <16 x i32> undef, i32 2)
%v51 = tail call <32 x i32> @llvm.hexagon.V6.vmpabus.acc(<32 x i32> %v48, <32 x i32> undef, i32 16843009)
%v52 = tail call <32 x i32> @llvm.hexagon.V6.vmpyubv(<16 x i32> %v50, <16 x i32> undef)
%v53 = tail call <32 x i32> @llvm.hexagon.V6.vmpyubv(<16 x i32> undef, <16 x i32> zeroinitializer)
%v54 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v52)
%v55 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v53)
%v56 = tail call <32 x i32> @llvm.hexagon.V6.vadduhw(<16 x i32> %v54, <16 x i32> %v55)
%v57 = tail call <32 x i32> @llvm.hexagon.V6.vaddw.dv(<32 x i32> %v49, <32 x i32> %v56)
%v58 = tail call <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32> undef, <16 x i32> %v8, i32 1)
%v59 = tail call <16 x i32> @llvm.hexagon.V6.vabsdiffub(<16 x i32> %v58, <16 x i32> undef)
%v60 = tail call <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32> undef, <16 x i32> %v59, <16 x i32> undef, i32 7)
%v61 = load i8, i8* undef, align 1
%v62 = zext i8 %v61 to i32
%v63 = tail call i32 @llvm.hexagon.S2.vsplatrb(i32 %v62)
%v64 = tail call <32 x i32> @llvm.hexagon.V6.vmpyub(<16 x i32> undef, i32 %v63)
%v65 = tail call <32 x i32> @llvm.hexagon.V6.vmpyub(<16 x i32> %v60, i32 %v63)
%v66 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v64)
%v67 = tail call <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32> undef, <16 x i32> %v66)
%v68 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v65)
%v69 = tail call <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32> undef, <16 x i32> %v68)
%v70 = tail call <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32> %v69, <16 x i32> %v67)
%v71 = tail call <32 x i32> @llvm.hexagon.V6.vmpabus.acc(<32 x i32> %v51, <32 x i32> %v70, i32 16843009)
%v72 = tail call <32 x i32> @llvm.hexagon.V6.vaddw.dv(<32 x i32> %v57, <32 x i32> undef)
%v73 = add nsw i32 %v7, 1
%v74 = icmp eq i32 %v73, 5
br i1 %v74, label %b4, label %b3
b4: ; preds = %b3
%v75 = phi <32 x i32> [ %v72, %b3 ]
%v76 = phi <32 x i32> [ %v71, %b3 ]
%v77 = load i8, i8* %v1, align 1
%v78 = zext i8 %v77 to i32
%v79 = tail call i32 @llvm.hexagon.S2.vsplatrb(i32 %v78)
%v80 = tail call <32 x i32> @llvm.hexagon.V6.vmpyub(<16 x i32> undef, i32 %v79)
%v81 = tail call <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32> undef, <16 x i32> undef)
%v82 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v80)
%v83 = tail call <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32> undef, <16 x i32> %v82)
%v84 = tail call <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32> %v83, <16 x i32> %v81)
%v85 = tail call <32 x i32> @llvm.hexagon.V6.vmpabus.acc(<32 x i32> undef, <32 x i32> %v84, i32 16843009)
%v86 = tail call <16 x i32> @llvm.hexagon.V6.hi(<32 x i32> %v85)
%v87 = tail call <32 x i32> @llvm.hexagon.V6.vmpyh(<16 x i32> %v86, i32 8388736)
%v88 = tail call <16 x i32> @llvm.hexagon.V6.lo(<32 x i32> %v87)
%v89 = tail call <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32> %v88, i32 1)
%v90 = tail call <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32> %v89, i32 1)
%v91 = tail call <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32> %v90, i32 1)
%v92 = tail call <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32> %v91, i32 1)
%v93 = tail call <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32> %v92, i32 1)
%v94 = tail call <16 x i32> @llvm.hexagon.V6.vsubwnq(<512 x i1> undef, <16 x i32> undef, <16 x i32> %v93)
%v95 = tail call <16 x i32> @llvm.hexagon.V6.vsubwnq(<512 x i1> undef, <16 x i32> %v94, <16 x i32> undef)
%v96 = tail call <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32> undef, i32 1)
%v97 = tail call <512 x i1> @llvm.hexagon.V6.vgtw(<16 x i32> %v96, <16 x i32> %v95)
%v98 = tail call <16 x i32> @llvm.hexagon.V6.vaddwnq(<512 x i1> %v97, <16 x i32> undef, <16 x i32> undef)
%v99 = tail call <16 x i32> @llvm.hexagon.V6.vaddwnq(<512 x i1> undef, <16 x i32> undef, <16 x i32> undef)
%v100 = tail call <16 x i32> @llvm.hexagon.V6.vshufeh(<16 x i32> %v99, <16 x i32> %v98)
%v101 = tail call <16 x i32> @llvm.hexagon.V6.vshuffeb(<16 x i32> %v100, <16 x i32> undef)
%v102 = getelementptr inbounds <16 x i32>, <16 x i32>* %v2, i32 1
store <16 x i32> %v101, <16 x i32>* %v2, align 64
%v103 = icmp sgt i32 %v3, 64
br i1 %v103, label %b2, label %b5
b5: ; preds = %b4, %b0
ret void
}
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vshuffb(<16 x i32>) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vmpyh(<16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.lo(<32 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.hi(<32 x i32>) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vcombine(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vlalignb(<16 x i32>, <16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.valignb(<16 x i32>, <16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vabsdiffub(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vlutvvb(<16 x i32>, <16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vlutvvb.oracc(<16 x i32>, <16 x i32>, <16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare i32 @llvm.hexagon.S2.vsplatrb(i32) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vmpyub(<16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vshuffob(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vmpabus.acc(<32 x i32>, <32 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vmpyubv(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vaddw.dv(<32 x i32>, <32 x i32>) #1
; Function Attrs: nounwind readnone
declare <32 x i32> @llvm.hexagon.V6.vadduhw(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <512 x i1> @llvm.hexagon.V6.vgtw(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vaddwnq(<512 x i1>, <16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vsubwnq(<512 x i1>, <16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vasrw(<16 x i32>, i32) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vshuffeb(<16 x i32>, <16 x i32>) #1
; Function Attrs: nounwind readnone
declare <16 x i32> @llvm.hexagon.V6.vshufeh(<16 x i32>, <16 x i32>) #1
attributes #0 = { nounwind "target-cpu"="hexagonv62" "target-features"="+hvxv62,+hvx-length64b" }
attributes #1 = { nounwind readnone }