30 lines
913 B
LLVM
30 lines
913 B
LLVM
; 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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target triple = "nvptx-nvidia-cuda"
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; Ensure global variables in address space 0 are promoted to address space 1
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; CHECK: .global .align 4 .u32 myglobal = 42;
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@myglobal = internal global i32 42, align 4
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; CHECK: .global .align 4 .u32 myconst = 420;
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@myconst = internal constant i32 420, align 4
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define void @foo(i32* %a, i32* %b) {
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; Expect one load -- @myconst isn't loaded from, because we know its value
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; statically.
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; CHECK: ld.global.u32
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; CHECK: st.global.u32
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; CHECK: st.global.u32
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%ld1 = load i32, i32* @myglobal
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%ld2 = load i32, i32* @myconst
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store i32 %ld1, i32* %a
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store i32 %ld2, i32* %b
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ret void
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}
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!nvvm.annotations = !{!0}
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!0 = !{void (i32*, i32*)* @foo, !"kernel", i32 1}
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