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; 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 ; <i37> [#uses=2]
%c = lshr i37 %b, 8 ; <i37> [#uses=1]
%d = shl i37 %b, 8 ; <i37> [#uses=1]
%e = or i37 %c, %d ; <i37> [#uses=1]
%f = trunc i37 %e to i17 ; <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 ; <i577> [#uses=2]
%c = lshr i577 %b, 9 ; <i577> [#uses=1]
%d = shl i577 %b, 8 ; <i577> [#uses=1]
%e = or i577 %c, %d ; <i577> [#uses=1]
%f = trunc i577 %e to i167 ; <i167> [#uses=1]
ret i167 %f
}
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