1; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s 2 3%struct.RESULTS_S.A = type { i16, i16, i16, [4 x i8*], i32, i32, i32, %struct.list_head_s.B*, %struct.MAT_PARAMS_S.D, i16, i16, i16, i16, i16, %struct.CORE_PORTABLE_S.E } 4%struct.list_head_s.B = type { %struct.list_head_s.B*, %struct.list_data_s.C* } 5%struct.list_data_s.C = type { i16, i16 } 6%struct.MAT_PARAMS_S.D = type { i32, i16*, i16*, i32* } 7%struct.CORE_PORTABLE_S.E = type { i8 } 8 9; Test that we don't generate a zero extend in this case. Instead we generate 10; a single sign extend instead of two zero extends. 11 12; CHECK-NOT: zxth 13 14; Function Attrs: nounwind 15define void @core_bench_list(%struct.RESULTS_S.A* %res) #0 { 16entry: 17 %seed3 = getelementptr inbounds %struct.RESULTS_S.A, %struct.RESULTS_S.A* %res, i32 0, i32 2 18 %0 = load i16, i16* %seed3, align 2 19 %cmp364 = icmp sgt i16 %0, 0 20 br i1 %cmp364, label %for.body, label %while.body19.i160 21 22for.body: 23 %i.0370 = phi i16 [ %inc50, %if.then ], [ 0, %entry ] 24 br i1 undef, label %if.then, label %while.body.i273 25 26while.body.i273: 27 %tobool.i272 = icmp eq %struct.list_head_s.B* undef, null 28 br i1 %tobool.i272, label %if.then, label %while.body.i273 29 30if.then: 31 %inc50 = add i16 %i.0370, 1 32 %exitcond = icmp eq i16 %inc50, %0 33 br i1 %exitcond, label %while.body19.i160, label %for.body 34 35while.body19.i160: 36 br label %while.body19.i160 37} 38 39attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 40 41