| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| ; We shouldn't fold bitcast(insert <vscale x 1 x iX> .., iX %val, i32 0) |
| ; into bitcast(iX %val) for scalable vectors. |
| define <vscale x 2 x i8> @bitcast_of_insert_i8_i16(i16 %val) #0 { |
| ; CHECK-LABEL: @bitcast_of_insert_i8_i16( |
| ; CHECK-NOT: bitcast i16 %val to <vscale x 2 x i8> |
| ; CHECK: bitcast <vscale x 1 x i16> %op2 to <vscale x 2 x i8> |
| entry: |
| %op2 = insertelement <vscale x 1 x i16> poison, i16 %val, i32 0 |
| %0 = bitcast <vscale x 1 x i16> %op2 to <vscale x 2 x i8> |
| ret <vscale x 2 x i8> %0 |
| } |
