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