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Imported Upstream version 5.18.0.167
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external/llvm/test/CodeGen/NVPTX/rotate.ll
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58
external/llvm/test/CodeGen/NVPTX/rotate.ll
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; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck --check-prefix=SM20 %s
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; RUN: llc < %s -march=nvptx -mcpu=sm_35 | FileCheck --check-prefix=SM35 %s
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declare i32 @llvm.nvvm.rotate.b32(i32, i32)
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declare i64 @llvm.nvvm.rotate.b64(i64, i32)
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declare i64 @llvm.nvvm.rotate.right.b64(i64, i32)
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; SM20: rotate32
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; SM35: rotate32
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define i32 @rotate32(i32 %a, i32 %b) {
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; SM20: shl.b32
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; SM20: sub.s32
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; SM20: shr.b32
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; SM20: add.u32
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; SM35: shf.l.wrap.b32
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%val = tail call i32 @llvm.nvvm.rotate.b32(i32 %a, i32 %b)
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ret i32 %val
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}
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; SM20: rotate64
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; SM35: rotate64
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define i64 @rotate64(i64 %a, i32 %b) {
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; SM20: shl.b64
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; SM20: sub.u32
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; SM20: shr.b64
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; SM20: add.u64
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; SM35: shf.l.wrap.b32
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; SM35: shf.l.wrap.b32
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%val = tail call i64 @llvm.nvvm.rotate.b64(i64 %a, i32 %b)
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ret i64 %val
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}
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; SM20: rotateright64
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; SM35: rotateright64
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define i64 @rotateright64(i64 %a, i32 %b) {
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; SM20: shr.b64
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; SM20: sub.u32
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; SM20: shl.b64
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; SM20: add.u64
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; SM35: shf.r.wrap.b32
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; SM35: shf.r.wrap.b32
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%val = tail call i64 @llvm.nvvm.rotate.right.b64(i64 %a, i32 %b)
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ret i64 %val
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}
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; SM20: rotl0
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; SM35: rotl0
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define i32 @rotl0(i32 %x) {
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; SM20: shl.b32
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; SM20: shr.b32
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; SM20: add.u32
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; SM35: shf.l.wrap.b32
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%t0 = shl i32 %x, 8
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%t1 = lshr i32 %x, 24
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%t2 = or i32 %t0, %t1
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ret i32 %t2
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}
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