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; 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
; RUN: llc < %s -mtriple=thumb-darwin -mattr=v6 | FileCheck %s --check-prefixes=CHECK
define void @test1(ptr 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, ptr %data, align 2
%1 = tail call i16 @llvm.bswap.i16(i16 %0)
store i16 %1, ptr %data, align 2
ret void
}
define void @test2(ptr 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, ptr %data, align 2
ret void
}
define i16 @test3(ptr 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, ptr %data, align 2
%1 = tail call i16 @llvm.bswap.i16(i16 %0)
ret i16 %1
}
declare i16 @llvm.bswap.i16(i16)
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