; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -O2 -S < %s | FileCheck %s ; RUN: opt -instcombine -S < %s | FileCheck %s --check-prefix=IC ; RUN: opt -aggressive-instcombine -instcombine -S < %s | FileCheck %s --check-prefix=AIC_AND_IC target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define i16 @foo(i1 %a) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: [[TRUNC:%.*]] = select i1 [[A:%.*]], i16 32767, i16 0 ; CHECK-NEXT: ret i16 [[TRUNC]] ; ; IC-LABEL: @foo( ; IC-NEXT: [[TRUNC:%.*]] = select i1 [[A:%.*]], i16 32767, i16 0 ; IC-NEXT: ret i16 [[TRUNC]] ; ; AIC_AND_IC-LABEL: @foo( ; AIC_AND_IC-NEXT: [[LSHR:%.*]] = select i1 [[A:%.*]], i16 32767, i16 0 ; AIC_AND_IC-NEXT: ret i16 [[LSHR]] ; %sext = sext i1 %a to i16 %zext = zext i16 %sext to i32 %lshr = lshr i32 %zext, 1 %trunc = trunc i32 %lshr to i16 ret i16 %trunc } define i16 @foo2(i1 %a) { ; CHECK-LABEL: @foo2( ; CHECK-NEXT: [[LSHR:%.*]] = select i1 [[A:%.*]], i16 32767, i16 0 ; CHECK-NEXT: ret i16 [[LSHR]] ; ; IC-LABEL: @foo2( ; IC-NEXT: [[LSHR:%.*]] = select i1 [[A:%.*]], i16 32767, i16 0 ; IC-NEXT: ret i16 [[LSHR]] ; ; AIC_AND_IC-LABEL: @foo2( ; AIC_AND_IC-NEXT: [[LSHR:%.*]] = select i1 [[A:%.*]], i16 32767, i16 0 ; AIC_AND_IC-NEXT: ret i16 [[LSHR]] ; %s = sext i1 %a to i16 %lshr = lshr i16 %s, 1 ret i16 %lshr }