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15 lines
531 B
LLVM
15 lines
531 B
LLVM
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; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
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declare i8 @llvm.nvvm.ldu.global.i.i8(i8*)
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define i8 @foo(i8* %a) {
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; Ensure we properly truncate off the high-order 24 bits
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; CHECK: ldu.global.u8
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; CHECK: cvt.u32.u16
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; CHECK: and.b32 %r{{[0-9]+}}, %r{{[0-9]+}}, 255
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%val = tail call i8 @llvm.nvvm.ldu.global.i.i8(i8* %a)
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ret i8 %val
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}
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