| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=instsimplify < %s | FileCheck %s |
| %S = type { i16, i32 } |
| |
| ; InstCombine will be able to fold this into zeroinitializer |
| define <2 x i16> @test1() { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[SEL:%.*]] = select i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), i16 0), [[S:%.*]] zeroinitializer, [[S]] { i16 0, i32 1 } |
| ; CHECK-NEXT: [[E:%.*]] = extractvalue [[S]] [[SEL]], 0 |
| ; CHECK-NEXT: [[B:%.*]] = insertelement <2 x i16> <i16 undef, i16 0>, i16 [[E]], i32 0 |
| ; CHECK-NEXT: ret <2 x i16> [[B]] |
| ; |
| entry: |
| %sel = select i1 icmp eq (i16 extractelement (<2 x i16> bitcast (<1 x i32> <i32 1> to <2 x i16>), i32 0), i16 0), %S zeroinitializer, %S { i16 0, i32 1 } |
| %e = extractvalue %S %sel, 0 |
| %b = insertelement <2 x i16> <i16 undef, i16 0>, i16 %e, i32 0 |
| ret <2 x i16> %b |
| } |
