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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -S | FileCheck %s3 4target 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"5 6; Tests to make sure elimination of casts is working correctly7 8define i17 @test1(i17 %a) {9; CHECK-LABEL: @test1(10; CHECK-NEXT: [[C:%.*]] = lshr i17 [[A:%.*]], 811; CHECK-NEXT: [[D:%.*]] = shl i17 [[A]], 812; CHECK-NEXT: [[E:%.*]] = or i17 [[C]], [[D]]13; CHECK-NEXT: ret i17 [[E]]14;15 %b = zext i17 %a to i37 ; <i37> [#uses=2]16 %c = lshr i37 %b, 8 ; <i37> [#uses=1]17 %d = shl i37 %b, 8 ; <i37> [#uses=1]18 %e = or i37 %c, %d ; <i37> [#uses=1]19 %f = trunc i37 %e to i17 ; <i17> [#uses=1]20 ret i17 %f21}22 23define i167 @test2(i167 %a) {24; CHECK-LABEL: @test2(25; CHECK-NEXT: [[C:%.*]] = lshr i167 [[A:%.*]], 926; CHECK-NEXT: [[D:%.*]] = shl i167 [[A]], 827; CHECK-NEXT: [[E:%.*]] = or i167 [[C]], [[D]]28; CHECK-NEXT: ret i167 [[E]]29;30 %b = zext i167 %a to i577 ; <i577> [#uses=2]31 %c = lshr i577 %b, 9 ; <i577> [#uses=1]32 %d = shl i577 %b, 8 ; <i577> [#uses=1]33 %e = or i577 %c, %d ; <i577> [#uses=1]34 %f = trunc i577 %e to i167 ; <i167> [#uses=1]35 ret i167 %f36}37