1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=loop-unroll -costmodel-reduxcost -S -o - %s | FileCheck %s 3 4define void @g() { 5; CHECK-LABEL: @g( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: br label [[F_EXIT:%.*]] 8; CHECK: f.exit: 9; CHECK-NEXT: [[RDX_SHUF9_I:%.*]] = shufflevector <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, <4 x i16> undef, <4 x i32> <i32 1, i32 poison, i32 poison, i32 poison> 10; CHECK-NEXT: [[BIN_RDX10_I:%.*]] = xor <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, [[RDX_SHUF9_I]] 11; CHECK-NEXT: [[TMP0:%.*]] = extractelement <4 x i16> [[BIN_RDX10_I]], i32 0 12; CHECK-NEXT: br label [[F_EXIT]] 13; 14entry: 15 br label %f.exit 16 17f.exit: ; preds = %f.exit, %entry 18 %rdx.shuf9.i = shufflevector <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, <4 x i16> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef> 19 %bin.rdx10.i = xor <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, %rdx.shuf9.i 20 %0 = extractelement <4 x i16> %bin.rdx10.i, i32 0 21 br label %f.exit 22} 23 24