Files
Simon Pilgrim 098417718f [ARM] Regenerate BSWAP16 tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@367543 91177308-0d34-0410-b5e6-96231b3b80d8
2019-08-01 11:12:10 +00:00

44 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=arm-darwin -mattr=v6 | FileCheck %s --check-prefixes=CHECK,ARM
; RUN: llc < %s -mtriple=thumb-darwin -mattr=v6 | FileCheck %s --check-prefixes=CHECK,THUMB
define void @test1(i16* nocapture %data) {
; CHECK-LABEL: test1:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: ldrh r1, [r0]
; CHECK-NEXT: rev16 r1, r1
; CHECK-NEXT: strh r1, [r0]
; CHECK-NEXT: bx lr
entry:
%0 = load i16, i16* %data, align 2
%1 = tail call i16 @llvm.bswap.i16(i16 %0)
store i16 %1, i16* %data, align 2
ret void
}
define void @test2(i16* nocapture %data, i16 zeroext %in) {
; CHECK-LABEL: test2:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: rev16 r1, r1
; CHECK-NEXT: strh r1, [r0]
; CHECK-NEXT: bx lr
entry:
%0 = tail call i16 @llvm.bswap.i16(i16 %in)
store i16 %0, i16* %data, align 2
ret void
}
define i16 @test3(i16* nocapture %data) {
; CHECK-LABEL: test3:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: ldrh r0, [r0]
; CHECK-NEXT: rev16 r0, r0
; CHECK-NEXT: bx lr
entry:
%0 = load i16, i16* %data, align 2
%1 = tail call i16 @llvm.bswap.i16(i16 %0)
ret i16 %1
}
declare i16 @llvm.bswap.i16(i16)