xref: /llvm-project/llvm/test/Transforms/InstCombine/scalable-const-fp-splat.ll (revision 56c091ea7106507b36015297ee9005c9d5fab0bf)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
2; RUN: opt -passes=instcombine -S -o - < %s | FileCheck %s
3
4define <vscale x 2 x float> @shrink_splat_scalable_extend(<vscale x 2 x float> %a) {
5; CHECK-LABEL: define <vscale x 2 x float> @shrink_splat_scalable_extend(
6; CHECK-SAME: <vscale x 2 x float> [[A:%.*]]) {
7; CHECK-NEXT:    [[TMP1:%.*]] = fadd <vscale x 2 x float> [[A]], splat (float -1.000000e+00)
8; CHECK-NEXT:    ret <vscale x 2 x float> [[TMP1]]
9;
10  %1 = shufflevector <vscale x 2 x float> insertelement (<vscale x 2 x float> undef, float -1.000000e+00, i32 0), <vscale x 2 x float> undef, <vscale x 2 x i32> zeroinitializer
11  %2 = fpext <vscale x 2 x float> %a to <vscale x 2 x double>
12  %3 = fpext <vscale x 2 x float> %1 to <vscale x 2 x double>
13  %4 = fadd <vscale x 2 x double> %2, %3
14  %5 = fptrunc <vscale x 2 x double> %4 to <vscale x 2 x float>
15  ret <vscale x 2 x float> %5
16}
17