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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -instcombine < %s | FileCheck %s
define i1 @test1(i16* %x) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[LOAD:%.*]] = load i16, i16* [[X:%.*]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i16 [[LOAD]], 17791
; CHECK-NEXT: ret i1 [[TMP1]]
;
%load = load i16, i16* %x, align 4
%trunc = trunc i16 %load to i8
%cmp1 = icmp eq i8 %trunc, 127
%and = and i16 %load, -256
%cmp2 = icmp eq i16 %and, 17664
%or = and i1 %cmp1, %cmp2
ret i1 %or
}
define i1 @test1_logical(i16* %x) {
; CHECK-LABEL: @test1_logical(
; CHECK-NEXT: [[LOAD:%.*]] = load i16, i16* [[X:%.*]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i16 [[LOAD]], 17791
; CHECK-NEXT: ret i1 [[TMP1]]
;
%load = load i16, i16* %x, align 4
%trunc = trunc i16 %load to i8
%cmp1 = icmp eq i8 %trunc, 127
%and = and i16 %load, -256
%cmp2 = icmp eq i16 %and, 17664
%or = select i1 %cmp1, i1 %cmp2, i1 false
ret i1 %or
}
define i1 @test2(i16* %x) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[LOAD:%.*]] = load i16, i16* [[X:%.*]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i16 [[LOAD]], 32581
; CHECK-NEXT: ret i1 [[TMP1]]
;
%load = load i16, i16* %x, align 4
%and = and i16 %load, -256
%cmp1 = icmp eq i16 %and, 32512
%trunc = trunc i16 %load to i8
%cmp2 = icmp eq i8 %trunc, 69
%or = and i1 %cmp1, %cmp2
ret i1 %or
}
define i1 @test2_logical(i16* %x) {
; CHECK-LABEL: @test2_logical(
; CHECK-NEXT: [[LOAD:%.*]] = load i16, i16* [[X:%.*]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i16 [[LOAD]], 32581
; CHECK-NEXT: ret i1 [[TMP1]]
;
%load = load i16, i16* %x, align 4
%and = and i16 %load, -256
%cmp1 = icmp eq i16 %and, 32512
%trunc = trunc i16 %load to i8
%cmp2 = icmp eq i8 %trunc, 69
%or = select i1 %cmp1, i1 %cmp2, i1 false
ret i1 %or
}
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