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46 lines
1.0 KiB
LLVM
46 lines
1.0 KiB
LLVM
; RUN: opt -cost-model -analyze -mtriple=amdgcn-unknown-amdhsa < %s | FileCheck %s
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; CHECK: 'test_br_cost'
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; CHECK: estimated cost of 10 for instruction: br i1
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; CHECK: estimated cost of 10 for instruction: br label
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; CHECK: estimated cost of 10 for instruction: ret void
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define amdgpu_kernel void @test_br_cost(i32 addrspace(1)* %out, i32 addrspace(1)* %vaddr, i32 %b) #0 {
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bb0:
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br i1 undef, label %bb1, label %bb2
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bb1:
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%vec = load i32, i32 addrspace(1)* %vaddr
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%add = add i32 %vec, %b
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store i32 %add, i32 addrspace(1)* %out
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br label %bb2
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bb2:
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ret void
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}
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; CHECK: 'test_switch_cost'
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; CHECK: Unknown cost for instruction: switch
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define amdgpu_kernel void @test_switch_cost(i32 %a) #0 {
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entry:
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switch i32 %a, label %default [
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i32 0, label %case0
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i32 1, label %case1
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]
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case0:
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store volatile i32 undef, i32 addrspace(1)* undef
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ret void
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case1:
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store volatile i32 undef, i32 addrspace(1)* undef
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ret void
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default:
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store volatile i32 undef, i32 addrspace(1)* undef
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ret void
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end:
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ret void
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}
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