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edb506d79d
This pass is a port of the according pass from the HSAIL compiler. It parses printf calls and setup runtime printf buffer. After that it copies printf arguments to the buffer and fills in module metadata for runtime. Differential Revision: https://reviews.llvm.org/D24035 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@368592 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
2.0 KiB
LLVM
35 lines
2.0 KiB
LLVM
; RUN: opt -mtriple=r600-- -amdgpu-printf-runtime-binding -mcpu=r600 -S < %s | FileCheck --check-prefix=FUNC --check-prefix=R600 %s
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; RUN: opt -mtriple=amdgcn-- -amdgpu-printf-runtime-binding -mcpu=fiji -S < %s | FileCheck --check-prefix=FUNC --check-prefix=GCN %s
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; RUN: opt -mtriple=amdgcn--amdhsa -amdgpu-printf-runtime-binding -mcpu=fiji -S < %s | FileCheck --check-prefix=FUNC --check-prefix=GCN %s
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; FUNC-LABEL: @test_kernel(
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; R600-LABEL: entry
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; R600-NOT: call i8 addrspace(1)* @__printf_alloc
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; R600: 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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; GCN-LABEL: entry
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; GCN: call i8 addrspace(1)* @__printf_alloc
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; GCN-LABEL: entry.split
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; GCN: icmp ne i8 addrspace(1)* %printf_alloc_fn, null
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; GCN: %PrintBuffID = getelementptr i8, i8 addrspace(1)* %printf_alloc_fn, i32 0
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; GCN: %PrintBuffIdCast = bitcast i8 addrspace(1)* %PrintBuffID to i32 addrspace(1)*
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; GCN: store i32 1, i32 addrspace(1)* %PrintBuffIdCast
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; GCN: %PrintBuffGep = getelementptr i8, i8 addrspace(1)* %printf_alloc_fn, i32 4
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; GCN: %PrintArgPtr = ptrtoint i8* %arraydecay to i64
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; GCN: %PrintBuffPtrCast = bitcast i8 addrspace(1)* %PrintBuffGep to i64 addrspace(1)*
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; GCN: store i64 %PrintArgPtr, i64 addrspace(1)* %PrintBuffPtrCast
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; GCN: %PrintBuffNextPtr = getelementptr i8, i8 addrspace(1)* %PrintBuffGep, i32 8
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; GCN: %PrintBuffPtrCast1 = bitcast i8 addrspace(1)* %PrintBuffNextPtr to i32 addrspace(1)*
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; GCN: store i32 %n, i32 addrspace(1)* %PrintBuffPtrCast1
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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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ret void
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}
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declare i32 @printf(i8 addrspace(2)*, ...)
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