llvm-for-llvmta/test/CodeGen/AArch64/cmpwithshort.ll

47 lines
1.1 KiB
LLVM

; RUN: llc < %s -O3 -mtriple=aarch64-eabi | FileCheck %s
define i16 @test_1cmp_signed_1(i16* %ptr1) {
; CHECK-LABEL: @test_1cmp_signed_1
; CHECK: ldrsh
; CHECK-NEXT: cmn
entry:
%addr = getelementptr inbounds i16, i16* %ptr1, i16 0
%val = load i16, i16* %addr, align 2
%cmp = icmp eq i16 %val, -1
br i1 %cmp, label %if, label %if.then
if:
ret i16 1
if.then:
ret i16 0
}
define i16 @test_1cmp_signed_2(i16* %ptr1) {
; CHECK-LABEL: @test_1cmp_signed_2
; CHECK: ldrsh
; CHECK-NEXT: cmn
entry:
%addr = getelementptr inbounds i16, i16* %ptr1, i16 0
%val = load i16, i16* %addr, align 2
%cmp = icmp sge i16 %val, -1
br i1 %cmp, label %if, label %if.then
if:
ret i16 1
if.then:
ret i16 0
}
define i16 @test_1cmp_unsigned_1(i16* %ptr1) {
; CHECK-LABEL: @test_1cmp_unsigned_1
; CHECK: ldrsh
; CHECK-NEXT: cmn
entry:
%addr = getelementptr inbounds i16, i16* %ptr1, i16 0
%val = load i16, i16* %addr, align 2
%cmp = icmp uge i16 %val, -1
br i1 %cmp, label %if, label %if.then
if:
ret i16 1
if.then:
ret i16 0
}