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0ca25cfe2f
Hostcall is a service that allows a kernel to submit requests to the host using shared buffers, and block until a response is received. This will eventually replace the shared buffer currently used for printf, and repurposes the same hidden kernel argument. This change introduces a new ValueKind in the HSA metadata to represent the hostcall buffer. Differential Revision: https://reviews.llvm.org/D70038
19 lines
931 B
LLVM
19 lines
931 B
LLVM
; RUN: not opt -S -mtriple=amdgcn-unknown-unknown -amdgpu-printf-runtime-binding < %s 2>&1 | FileCheck %s
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@.str = private unnamed_addr addrspace(2) constant [6 x i8] c"%s:%d\00", align 1
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define amdgpu_kernel void @test_kernel(i32 %n) {
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entry:
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%str = alloca [9 x i8], align 1
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%arraydecay = getelementptr inbounds [9 x i8], [9 x i8]* %str, i32 0, i32 0
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%call1 = call i32 (i8 addrspace(2)*, ...) @printf(i8 addrspace(2)* getelementptr inbounds ([6 x i8], [6 x i8] addrspace(2)* @.str, i32 0, i32 0), i8* %arraydecay, i32 %n)
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%call2 = call <2 x i64> (i8*, i32, i64, i64, i64, i64, i64, i64, i64, i64) @__ockl_hostcall_internal(i8* undef, i32 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9)
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ret void
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}
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declare i32 @printf(i8 addrspace(2)*, ...)
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declare <2 x i64> @__ockl_hostcall_internal(i8*, i32, i64, i64, i64, i64, i64, i64, i64, i64)
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; CHECK: error: Cannot use both printf and hostcall in the same module
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