llvm/test/CodeGen/Hexagon/bug19076.ll

; REQUIRES: asserts
; RUN: llc -march=hexagon -stats -o /dev/null < %s

%s.0 = type { %s.1*, %s.2*, %s.17*, i32, i32, i32, i32, i8*, i8*, i8* }
%s.1 = type opaque
%s.2 = type { %s.3, %s.4*, i8* }
%s.3 = type { i32, i32 }
%s.4 = type { %s.4*, %s.4*, %s.4*, %s.4*, i32, i32, i32, %s.3*, i32, [1 x %s.5]*, [1 x %s.5]*, i8, i8, i8, i8*, i32, %s.4*, %s.8*, i8, i8, i8, i32*, i32, i32*, i32, i8*, i8, %s.9, [32 x i8**], [7 x i8*], i32, i8*, i32, %s.4*, i32, i32, %s.11, %s.13, i8, i8, i8, %s.14*, %s.15*, %s.15*, i32, [12 x i8] }
%s.5 = type { [1 x %s.6], i32, %s.7, [4 x i8] }
%s.6 = type { [16 x i32] }
%s.7 = type { [2 x i32] }
%s.8 = type { void (i8*)*, i8*, i32, %s.8* }
%s.9 = type { i8* (i8*)*, i8*, %s.7, i32, %s.10 }
%s.10 = type { i32 }
%s.11 = type { %s.12, i8, i8* }
%s.12 = type { [2 x i32] }
%s.13 = type { i32, i32 }
%s.14 = type { i8*, i32 (i8*, %s.4*)* }
%s.15 = type { %s.15*, %s.16*, i32 }
%s.16 = type { %s.3, i32, %s.4*, %s.4*, %s.4*, i32, i32 }
%s.17 = type { i32, void (i8*)* }
%s.18 = type { %s.0*, i8* }

; Function Attrs: nounwind
define zeroext i8 @f0(%s.0* %a0, i32 %a1, %s.18* %a2) #0 {
b0:
  %v0 = alloca i8, align 1
  %v1 = alloca %s.0*, align 4
  %v2 = alloca i32, align 4
  %v3 = alloca %s.18*, align 4
  %v4 = alloca i32, align 4
  %v5 = alloca i32, align 4
  %v6 = alloca i8*
  %v7 = alloca i32, align 4
  %v8 = alloca i32
  %v9 = alloca %s.4, align 32
  store %s.0* %a0, %s.0** %v1, align 4
  store i32 %a1, i32* %v2, align 4
  store %s.18* %a2, %s.18** %v3, align 4
  %v10 = load %s.0*, %s.0** %v1, align 4
  %v11 = getelementptr inbounds %s.0, %s.0* %v10, i32 0, i32 3
  %v12 = load i32, i32* %v11, align 4
  store i32 %v12, i32* %v4, align 4
  %v13 = load %s.0*, %s.0** %v1, align 4
  %v14 = getelementptr inbounds %s.0, %s.0* %v13, i32 0, i32 6
  %v15 = load i32, i32* %v14, align 4
  store i32 %v15, i32* %v5, align 4
  %v16 = load i32, i32* %v4, align 4
  %v17 = call i8* @llvm.stacksave()
  store i8* %v17, i8** %v6
  %v18 = alloca %s.2, i32 %v16, align 8
  %v19 = load %s.0*, %s.0** %v1, align 4
  %v20 = call i32 @f1(%s.0* %v19)
  %v21 = icmp ne i32 %v20, 0
  br i1 %v21, label %b2, label %b1

b1:                                               ; preds = %b0
  store i8 8, i8* %v0
  store i32 1, i32* %v8
  br label %b23

b2:                                               ; preds = %b0
  %v22 = load %s.0*, %s.0** %v1, align 4
  %v23 = getelementptr inbounds %s.0, %s.0* %v22, i32 0, i32 0
  %v24 = load %s.1*, %s.1** %v23, align 4
  %v25 = load %s.0*, %s.0** %v1, align 4
  %v26 = getelementptr inbounds %s.0, %s.0* %v25, i32 0, i32 1
  %v27 = load %s.2*, %s.2** %v26, align 4
  %v28 = bitcast %s.2* %v27 to i8*
  %v29 = bitcast %s.2* %v18 to i8*
  %v30 = load i32, i32* %v4, align 4
  %v31 = mul i32 16, %v30
  %v32 = call zeroext i8 @f2(%s.1* %v24, i8* %v28, i8* %v29, i32 %v31)
  %v33 = zext i8 %v32 to i32
  %v34 = icmp ne i32 %v33, 0
  br i1 %v34, label %b3, label %b4

b3:                                               ; preds = %b2
  store i8 1, i8* %v0
  store i32 1, i32* %v8
  br label %b23

b4:                                               ; preds = %b2
  store i32 0, i32* %v7, align 4
  br label %b5

b5:                                               ; preds = %b21, %b4
  %v35 = load i32, i32* %v7, align 4
  %v36 = load i32, i32* %v4, align 4
  %v37 = icmp ult i32 %v35, %v36
  br i1 %v37, label %b6, label %b7

b6:                                               ; preds = %b5
  br label %b7

b7:                                               ; preds = %b6, %b5
  %v38 = phi i1 [ false, %b5 ], [ true, %b6 ]
  br i1 %v38, label %b8, label %b22

b8:                                               ; preds = %b7
  %v39 = load i32, i32* %v7, align 4
  %v40 = getelementptr inbounds %s.2, %s.2* %v18, i32 %v39
  %v41 = getelementptr inbounds %s.2, %s.2* %v40, i32 0, i32 1
  %v42 = load %s.4*, %s.4** %v41, align 4
  %v43 = icmp ne %s.4* %v42, null
  br i1 %v43, label %b9, label %b17

b9:                                               ; preds = %b8
  %v44 = load %s.0*, %s.0** %v1, align 4
  %v45 = getelementptr inbounds %s.0, %s.0* %v44, i32 0, i32 0
  %v46 = load %s.1*, %s.1** %v45, align 4
  %v47 = load i32, i32* %v7, align 4
  %v48 = getelementptr inbounds %s.2, %s.2* %v18, i32 %v47
  %v49 = getelementptr inbounds %s.2, %s.2* %v48, i32 0, i32 1
  %v50 = load %s.4*, %s.4** %v49, align 4
  %v51 = bitcast %s.4* %v50 to i8*
  %v52 = bitcast %s.4* %v9 to i8*
  %v53 = load i32, i32* %v5, align 4
  %v54 = call zeroext i8 @f2(%s.1* %v46, i8* %v51, i8* %v52, i32 %v53)
  %v55 = zext i8 %v54 to i32
  %v56 = icmp ne i32 %v55, 0
  br i1 %v56, label %b10, label %b11

b10:                                              ; preds = %b9
  store i8 1, i8* %v0
  store i32 1, i32* %v8
  br label %b23

b11:                                              ; preds = %b9
  %v57 = getelementptr inbounds %s.4, %s.4* %v9, i32 0, i32 5
  %v58 = load i32, i32* %v57, align 4
  %v59 = icmp ne i32 %v58, 0
  br i1 %v59, label %b12, label %b13

b12:                                              ; preds = %b11
  br label %b14

b13:                                              ; preds = %b11
  %v60 = load %s.0*, %s.0** %v1, align 4
  %v61 = getelementptr inbounds %s.0, %s.0* %v60, i32 0, i32 0
  %v62 = load %s.1*, %s.1** %v61, align 4
  %v63 = call i32 @f3(%s.1* %v62)
  br label %b14

b14:                                              ; preds = %b13, %b12
  %v64 = phi i32 [ %v58, %b12 ], [ %v63, %b13 ]
  %v65 = load i32, i32* %v2, align 4
  %v66 = icmp eq i32 %v64, %v65
  br i1 %v66, label %b15, label %b16

b15:                                              ; preds = %b14
  %v67 = load %s.0*, %s.0** %v1, align 4
  %v68 = load %s.18*, %s.18** %v3, align 4
  %v69 = getelementptr inbounds %s.18, %s.18* %v68, i32 0, i32 0
  store %s.0* %v67, %s.0** %v69, align 4
  %v70 = load i32, i32* %v7, align 4
  %v71 = getelementptr inbounds %s.2, %s.2* %v18, i32 %v70
  %v72 = getelementptr inbounds %s.2, %s.2* %v71, i32 0, i32 1
  %v73 = load %s.4*, %s.4** %v72, align 4
  %v74 = bitcast %s.4* %v73 to i8*
  %v75 = load %s.18*, %s.18** %v3, align 4
  %v76 = getelementptr inbounds %s.18, %s.18* %v75, i32 0, i32 1
  store i8* %v74, i8** %v76, align 4
  store i8 0, i8* %v0
  store i32 1, i32* %v8
  br label %b23

b16:                                              ; preds = %b14
  br label %b20

b17:                                              ; preds = %b8
  %v77 = load i32, i32* %v7, align 4
  %v78 = icmp eq i32 %v77, 0
  br i1 %v78, label %b18, label %b19

b18:                                              ; preds = %b17
  %v79 = load %s.0*, %s.0** %v1, align 4
  %v80 = load %s.18*, %s.18** %v3, align 4
  %v81 = getelementptr inbounds %s.18, %s.18* %v80, i32 0, i32 0
  store %s.0* %v79, %s.0** %v81, align 4
  %v82 = load %s.18*, %s.18** %v3, align 4
  %v83 = getelementptr inbounds %s.18, %s.18* %v82, i32 0, i32 1
  store i8* null, i8** %v83, align 4
  store i8 0, i8* %v0
  store i32 1, i32* %v8
  br label %b23

b19:                                              ; preds = %b17
  br label %b20

b20:                                              ; preds = %b19, %b16
  br label %b21

b21:                                              ; preds = %b20
  %v84 = load i32, i32* %v7, align 4
  %v85 = add i32 %v84, 1
  store i32 %v85, i32* %v7, align 4
  br label %b5

b22:                                              ; preds = %b7
  store i8 4, i8* %v0
  store i32 1, i32* %v8
  br label %b23

b23:                                              ; preds = %b22, %b18, %b15, %b10, %b3, %b1
  %v86 = load i8*, i8** %v6
  call void @llvm.stackrestore(i8* %v86)
  %v87 = load i8, i8* %v0
  ret i8 %v87
}

; Function Attrs: nounwind
declare i8* @llvm.stacksave() #0

; Function Attrs: inlinehint nounwind
declare i32 @f1(%s.0*) #1

declare zeroext i8 @f2(%s.1*, i8*, i8*, i32) #0

declare i32 @f3(%s.1*) #0

; Function Attrs: nounwind
declare void @llvm.stackrestore(i8*) #0

attributes #0 = { nounwind }
attributes #1 = { inlinehint nounwind }