forked from OSchip/llvm-project
75 lines
1.7 KiB
LLVM
75 lines
1.7 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
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target triple = "s390x-linux"
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define i16 @foo(i16 zeroext %a) zeroext {
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%res = tail call i16 @llvm.bswap.i16(i16 %a)
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ret i16 %res
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}
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define i32 @foo2(i32 zeroext %a) zeroext {
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; CHECK: foo2:
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; CHECK: lrvr %r1, %r2
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%res = tail call i32 @llvm.bswap.i32(i32 %a)
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ret i32 %res
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}
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define i64 @foo3(i64 %a) zeroext {
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; CHECK: foo3:
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; CHECK: lrvgr %r2, %r2
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%res = tail call i64 @llvm.bswap.i64(i64 %a)
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ret i64 %res
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}
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define i16 @foo4(i16* %b) zeroext {
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%a = load i16* %b
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%res = tail call i16 @llvm.bswap.i16(i16 %a)
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ret i16 %res
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}
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define i32 @foo5(i32* %b) zeroext {
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; CHECK: foo5:
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; CHECK: lrv %r1, 0(%r2)
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%a = load i32* %b
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%res = tail call i32 @llvm.bswap.i32(i32 %a)
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ret i32 %res
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}
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define i64 @foo6(i64* %b) {
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; CHECK: foo6:
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; CHECK: lrvg %r2, 0(%r2)
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%a = load i64* %b
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%res = tail call i64 @llvm.bswap.i64(i64 %a)
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ret i64 %res
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}
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define void @foo7(i16 %a, i16* %b) {
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%res = tail call i16 @llvm.bswap.i16(i16 %a)
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store i16 %res, i16* %b
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ret void
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}
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define void @foo8(i32 %a, i32* %b) {
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; CHECK: foo8:
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; CHECK: strv %r2, 0(%r3)
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%res = tail call i32 @llvm.bswap.i32(i32 %a)
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store i32 %res, i32* %b
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ret void
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}
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define void @foo9(i64 %a, i64* %b) {
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; CHECK: foo9:
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; CHECK: strvg %r2, 0(%r3)
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%res = tail call i64 @llvm.bswap.i64(i64 %a)
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store i64 %res, i64* %b
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ret void
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}
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declare i16 @llvm.bswap.i16(i16) nounwind readnone
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declare i32 @llvm.bswap.i32(i32) nounwind readnone
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declare i64 @llvm.bswap.i64(i64) nounwind readnone
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