42 lines
1.5 KiB
LLVM
42 lines
1.5 KiB
LLVM
; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx950 < %s | FileCheck -check-prefixes=GCN %s
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; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx950 < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck -check-prefixes=GCN,SDAG %s
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; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck -check-prefix=GCN %s
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declare i32 @llvm.amdgcn.prng.b32(i32) #0
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; GCN-LABEL: {{^}}prng_b32:
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; GCN: v_prng_b32_e32 {{v[0-9]+}}, {{s[0-9]+}}
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define amdgpu_kernel void @prng_b32(ptr addrspace(1) %out, i32 %src) #1 {
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%prng = call i32 @llvm.amdgcn.prng.b32(i32 %src) #0
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store i32 %prng, ptr addrspace(1) %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}prng_b32_constant_4
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; GCN: v_prng_b32_e32 {{v[0-9]+}}, 4
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define amdgpu_kernel void @prng_b32_constant_4(ptr addrspace(1) %out) #1 {
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%prng = call i32 @llvm.amdgcn.prng.b32(i32 4) #0
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store i32 %prng, ptr addrspace(1) %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}prng_b32_constant_100
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; GCN: v_prng_b32_e32 {{v[0-9]+}}, 0x64
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define amdgpu_kernel void @prng_b32_constant_100(ptr addrspace(1) %out) #1 {
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%prng = call i32 @llvm.amdgcn.prng.b32(i32 100) #0
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store i32 %prng, ptr addrspace(1) %out, align 4
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ret void
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}
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; GCN-LABEL: {{^}}prng_undef_i32:
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; SDAG-NOT: v_prng_b32
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define amdgpu_kernel void @prng_undef_i32(ptr addrspace(1) %out) #1 {
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%prng = call i32 @llvm.amdgcn.prng.b32(i32 undef)
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store i32 %prng, ptr addrspace(1) %out, align 4
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ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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