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- ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
- 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"
- declare i8 @llvm.nvvm.ldu.global.i.i8.p0i8(i8*, i32)
- define i8 @foo(i8* %a) {
- ; Ensure we properly truncate off the high-order 24 bits
- ; CHECK: ldu.global.u8
- ; CHECK: cvt.u32.u16
- ; CHECK: and.b32 %r{{[0-9]+}}, %r{{[0-9]+}}, 255
- %val = tail call i8 @llvm.nvvm.ldu.global.i.i8.p0i8(i8* %a, i32 4)
- ret i8 %val
- }
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