1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 ; REQUIRES: asserts 3 4 ; This used to crash. Check for some sane output. 5 ; CHECK: sath 6 7 target triple = "hexagon" 8 9 define void @fred() local_unnamed_addr #0 { 10 b0: 11 %v1 = load i32, i32* undef, align 4 12 %v2 = tail call i32 @llvm.hexagon.A2.sath(i32 undef) 13 %v3 = and i32 %v1, 603979776 14 %v4 = trunc i32 %v3 to i30 15 switch i30 %v4, label %b22 [ 16 i30 -536870912, label %b5 17 i30 -469762048, label %b6 18 ] 19 20 b5: ; preds = %b0 21 unreachable 22 23 b6: ; preds = %b0 24 %v7 = load i32, i32* undef, align 4 25 %v8 = sub nsw i32 65536, %v7 26 %v9 = load i32, i32* undef, align 4 27 %v10 = mul nsw i32 %v9, %v9 28 %v11 = zext i32 %v10 to i64 29 %v12 = mul nsw i32 %v2, %v8 30 %v13 = sext i32 %v12 to i64 31 %v14 = mul nsw i64 %v13, %v11 32 %v15 = trunc i64 %v14 to i32 33 %v16 = and i32 %v15, 2147483647 34 store i32 %v16, i32* undef, align 4 35 %v17 = lshr i64 %v14, 31 36 %v18 = trunc i64 %v17 to i32 37 store i32 %v18, i32* undef, align 4 38 br label %b19 39 40 b19: ; preds = %b6 41 br i1 undef, label %b20, label %b21 42 43 b20: ; preds = %b19 44 unreachable 45 46 b21: ; preds = %b19 47 br label %b23 48 49 b22: ; preds = %b0 50 unreachable 51 52 b23: ; preds = %b21 53 %v24 = load i32, i32* undef, align 4 54 %v25 = shl i32 %v24, 1 55 %v26 = and i32 %v25, 65534 56 %v27 = or i32 %v26, 0 57 store i32 %v27, i32* undef, align 4 58 ret void 59 } 60 61 declare i32 @llvm.hexagon.A2.sath(i32) #1 62 63 attributes #0 = { nounwind "target-cpu"="hexagonv5" "target-features"="-hvx,-long-calls" } 64 attributes #1 = { nounwind readnone } 65
