derek.holloway
7502bf64a4
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57 lines
2.7 KiB
LLVM
57 lines
2.7 KiB
LLVM
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_90 | FileCheck %s
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; RUN: %if ptxas-sm_90 %{ llc < %s -mtriple=nvptx64 -mcpu=sm_90 | %ptxas-verify -arch=sm_90 %}
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;; Test that .loc directives inside inline asm preserve inlined_at context.
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;; When inline asm appears inside an inlined function, the .loc directives
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;; injected for inline asm instructions must include function_name and
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;; inlined_at attributes to avoid stripping the inlining context.
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;;
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;; Simplified from:
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;; __device__ int local_func(int p) {
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;; int dummy;
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;; asm volatile("ld.local.u32 %0, [0];" : "+r"(dummy));
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;; return 2 * p;
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;; }
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;; __global__ void kernel() {
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;; int r = local_func(threadIdx.x);
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;; }
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target datalayout = "e-p:64:64:64-p3:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-i128:128:128-f32:32:32-f64:64:64-f128:128:128-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64-a:8:8-p6:32:32"
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target triple = "nvptx64-nvidia-cuda"
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; The inline asm instruction has a DebugLoc at line 4 (in local_func),
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; inlined at line 10 (in kernel). The .loc for the ld.local.u32 inside
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; the inline asm must carry function_name and inlined_at.
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; CHECK: .loc [[FILEID:[0-9]+]] 4 5, function_name [[FUNCNAME:\$L__info_string[0-9]+]], inlined_at [[FILEID]] 10 3
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; CHECK-NEXT: // begin inline asm
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; CHECK-NEXT: .loc [[FILEID]] 4 5, function_name [[FUNCNAME]], inlined_at [[FILEID]] 10 3
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; CHECK-NEXT: ld.local.u32
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define void @kernel() #0 !dbg !8 {
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entry:
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%0 = call i32 asm sideeffect "ld.local.u32 $0, [0];", "=r"() #1, !dbg !17
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ret void, !dbg !19
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}
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attributes #0 = { convergent mustprogress willreturn "nvvm.kernel" "target-cpu"="sm_90" }
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attributes #1 = { convergent nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "lgenfe", isOptimized: false, runtimeVersion: 0, emissionKind: DebugDirectivesOnly)
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!1 = !DIFile(filename: "test.cu", directory: "/test")
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!6 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = distinct !DISubprogram(name: "kernel", linkageName: "_Z6kernelv", scope: !1, file: !1, line: 9, type: !9, scopeLine: 9, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !14)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11}
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!11 = !DIBasicType(tag: DW_TAG_unspecified_type, name: "void")
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!12 = distinct !DISubprogram(name: "local_func", linkageName: "_Z10local_funci", scope: !1, file: !1, line: 2, type: !13, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !14)
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!13 = !DISubroutineType(types: !10)
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!14 = !{}
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!15 = distinct !DILexicalBlock(scope: !12, file: !1, line: 2, column: 30)
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!16 = !DILocation(line: 10, column: 3, scope: !8)
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!17 = !DILocation(line: 4, column: 5, scope: !15, inlinedAt: !16)
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!19 = !DILocation(line: 11, column: 1, scope: !8)
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