1 ; RUN: llc -march=hexagon -O2 < %s 2 ; REQUIRES: asserts 3 4 ; This file used to fail with an "UNREACHABLE executed!" in Post-RA pseudo 5 ; instruction expansion pass due to a bug in the TwoAddressInstructionPass we 6 ; were not handling sub register indexes when rewriting tied operands. 7 8 target triple = "hexagon" 9 10 %0 = type { i8, i8, %1, i32, i32, %7, i8, i8, %8, i8, i32, i16, i16, [2500 x i8], i16, i16, i16, i8*, [1024 x i8], i32, i32, i32, i32, i32, i8 } 11 %1 = type { i8, %2, i8, i8, i32 } 12 %2 = type { %3 } 13 %3 = type { i8, [256 x i8], %4, i8, i16, i32 } 14 %4 = type { %5 } 15 %5 = type { %6 } 16 %6 = type { [2 x i64] } 17 %7 = type { i32, i8 } 18 %8 = type { %7, i32, i32, %1 } 19 %9 = type { %10, i8* } 20 %10 = type { i16, i16, i32 } 21 %11 = type { i8, i32 } 22 23 @g0 = external hidden global [2 x %0], align 8 24 @g1 = external hidden constant %9, align 4 25 @g2 = external hidden constant %9, align 4 26 @g3 = external hidden constant %9, align 4 27 @g4 = external hidden constant %9, align 4 28 29 ; Function Attrs: optsize 30 declare void @f0(%9*, i32, i32, i32) #0 31 32 ; Function Attrs: nounwind optsize ssp 33 define hidden fastcc void @f1(i64 %a0, i8 zeroext %a1, i8 zeroext %a2) #1 { 34 b0: 35 %v0 = alloca %11, align 4 36 %v1 = icmp ne i8 %a1, 0 37 %v2 = trunc i64 %a0 to i32 38 br i1 %v1, label %b1, label %b4 39 40 b1: ; preds = %b0 41 call void @f0(%9* @g1, i32 %v2, i32 0, i32 0) #2 42 %v3 = getelementptr inbounds [2 x %0], [2 x %0]* @g0, i32 0, i32 %v2, i32 7 43 store i8 1, i8* %v3, align 1 44 %v4 = icmp eq i8 %a2, 0 45 br i1 %v4, label %b4, label %b2 46 47 b2: ; preds = %b1 48 %v5 = getelementptr inbounds %11, %11* %v0, i32 0, i32 0 49 store i8 0, i8* %v5, align 4 50 %v6 = getelementptr inbounds %11, %11* %v0, i32 0, i32 1 51 store i32 0, i32* %v6, align 4 52 %v7 = getelementptr inbounds [2 x %0], [2 x %0]* @g0, i32 0, i32 %v2, i32 3 53 %v8 = load i32, i32* %v7, align 8 54 %v9 = getelementptr inbounds [2 x %0], [2 x %0]* @g0, i32 0, i32 %v2, i32 4 55 %v10 = load i32, i32* %v9, align 4 56 %v11 = getelementptr inbounds [2 x %0], [2 x %0]* @g0, i32 0, i32 %v2, i32 19 57 %v12 = load i32, i32* %v11, align 4 58 %v13 = call zeroext i8 @f2(i64 %a0, i32 %v8, i32 %v10, i32 %v12, i8 zeroext 0, %11* %v0) #2 59 %v14 = icmp eq i8 %v13, 0 60 br i1 %v14, label %b4, label %b3 61 62 b3: ; preds = %b2 63 %v15 = zext i8 %v13 to i32 64 call void @f0(%9* @g2, i32 %v15, i32 %v2, i32 0) #2 65 br label %b4 66 67 b4: ; preds = %b3, %b2, %b1, %b0 68 %v16 = getelementptr inbounds [2 x %0], [2 x %0]* @g0, i32 0, i32 %v2, i32 1 69 %v17 = load i8, i8* %v16, align 1 70 %v18 = zext i8 %v17 to i32 71 switch i32 %v18, label %b14 [ 72 i32 2, label %b11 73 i32 1, label %b5 74 i32 4, label %b8 75 i32 3, label %b11 76 ] 77 78 b5: ; preds = %b4 79 call void @f0(%9* @g3, i32 %v2, i32 0, i32 0) #2 80 br i1 %v1, label %b7, label %b6 81 82 b6: ; preds = %b5 83 call fastcc void @f3(i64 %a0, i8 zeroext 0, i8 zeroext 1, i32 1) #0 84 br label %b14 85 86 b7: ; preds = %b5 87 call fastcc void @f3(i64 %a0, i8 zeroext 0, i8 zeroext 0, i32 1) #0 88 br label %b14 89 90 b8: ; preds = %b4 91 call void @f0(%9* @g4, i32 %v2, i32 0, i32 0) #2 92 %v19 = getelementptr inbounds [2 x %0], [2 x %0]* @g0, i32 0, i32 %v2, i32 6 93 store i8 1, i8* %v19, align 8 94 br i1 %v1, label %b10, label %b9 95 96 b9: ; preds = %b8 97 call fastcc void @f3(i64 %a0, i8 zeroext 0, i8 zeroext 1, i32 1) #0 98 br label %b14 99 100 b10: ; preds = %b8 101 call fastcc void @f3(i64 %a0, i8 zeroext 0, i8 zeroext 0, i32 1) #0 102 br label %b14 103 104 b11: ; preds = %b4, %b4 105 br i1 %v1, label %b13, label %b12 106 107 b12: ; preds = %b11 108 call fastcc void @f3(i64 %a0, i8 zeroext 0, i8 zeroext 1, i32 1) #0 109 br label %b14 110 111 b13: ; preds = %b11 112 call fastcc void @f3(i64 %a0, i8 zeroext 0, i8 zeroext 0, i32 1) #0 113 br label %b14 114 115 b14: ; preds = %b13, %b12, %b10, %b9, %b7, %b6, %b4 116 ret void 117 } 118 119 ; Function Attrs: optsize 120 declare zeroext i8 @f2(i64, i32, i32, i32, i8 zeroext, %11*) #0 121 122 ; Function Attrs: nounwind optsize ssp 123 declare hidden fastcc void @f3(i64, i8 zeroext, i8 zeroext, i32) #1 124 125 attributes #0 = { optsize } 126 attributes #1 = { nounwind optsize ssp } 127 attributes #2 = { nounwind optsize } 128