1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 3 ; During lowering, a BUILD_VECTOR of undef values was created. This was 4 ; not properly handled by buildHvxVectorReg, which tried to generate a 5 ; splat, but had no source value. 6 ; 7 ; Check that this compiles successfully. 8 ; CHECK: vsplat 9 10 target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048" 11 target triple = "hexagon" 12 13 define void @fred() #0 { 14 b0: 15 %v1 = load i8, i8* undef, align 1 16 %v2 = insertelement <32 x i8> undef, i8 %v1, i32 31 17 %v3 = zext <32 x i8> %v2 to <32 x i16> 18 %v4 = add nuw nsw <32 x i16> %v3, zeroinitializer 19 %v5 = add nuw nsw <32 x i16> %v4, zeroinitializer 20 %v6 = add nuw nsw <32 x i16> %v5, zeroinitializer 21 %v7 = add nuw nsw <32 x i16> %v6, zeroinitializer 22 %v8 = add nuw nsw <32 x i16> %v7, zeroinitializer 23 %v9 = add nuw nsw <32 x i16> %v8, zeroinitializer 24 %v10 = add <32 x i16> %v9, zeroinitializer 25 %v11 = add <32 x i16> %v10, zeroinitializer 26 %v12 = add <32 x i16> %v11, zeroinitializer 27 %v13 = add <32 x i16> %v12, zeroinitializer 28 %v14 = add <32 x i16> %v13, zeroinitializer 29 %v15 = add <32 x i16> %v14, zeroinitializer 30 %v16 = add <32 x i16> %v15, zeroinitializer 31 %v17 = add <32 x i16> %v16, zeroinitializer 32 %v18 = add <32 x i16> %v17, zeroinitializer 33 %v19 = lshr <32 x i16> %v18, <i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4, i16 4> 34 %v20 = trunc <32 x i16> %v19 to <32 x i8> 35 store <32 x i8> %v20, <32 x i8>* undef, align 1 36 unreachable 37 } 38 39 attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvx-length64b,+hvxv60" } 40
