; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" ; Tests to make sure elimination of casts is working correctly define i17 @test1(i17 %a) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: [[C:%.*]] = lshr i17 [[A:%.*]], 8 ; CHECK-NEXT: [[D:%.*]] = shl i17 [[A]], 8 ; CHECK-NEXT: [[E:%.*]] = or i17 [[C]], [[D]] ; CHECK-NEXT: ret i17 [[E]] ; %b = zext i17 %a to i37 ; [#uses=2] %c = lshr i37 %b, 8 ; [#uses=1] %d = shl i37 %b, 8 ; [#uses=1] %e = or i37 %c, %d ; [#uses=1] %f = trunc i37 %e to i17 ; [#uses=1] ret i17 %f } define i167 @test2(i167 %a) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: [[C:%.*]] = lshr i167 [[A:%.*]], 9 ; CHECK-NEXT: [[D:%.*]] = shl i167 [[A]], 8 ; CHECK-NEXT: [[E:%.*]] = or i167 [[C]], [[D]] ; CHECK-NEXT: ret i167 [[E]] ; %b = zext i167 %a to i577 ; [#uses=2] %c = lshr i577 %b, 9 ; [#uses=1] %d = shl i577 %b, 8 ; [#uses=1] %e = or i577 %c, %d ; [#uses=1] %f = trunc i577 %e to i167 ; [#uses=1] ret i167 %f }