a216358ce7
This performs the minimal replacment of amdgpu-no-agpr to amdgpu-agpr-alloc=0. Most of the test diffs are due to the new attribute sorting later alphabetically. We could do better by trying to perform range merging in the attributor, and trying to pick non-0 values.
108 lines
4.9 KiB
LLVM
108 lines
4.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
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; RUN: opt -S -mtriple=amdgcn-amd- -passes=amdgpu-attributor %s | FileCheck %s
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; Test to ensure recursive functions exhibit proper behaviour
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; Test to generate fibonacci numbers
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define i32 @fib(i32 %n) #0 {
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; CHECK-LABEL: define {{[^@]+}}@fib
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; CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[N]], 0
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; CHECK-NEXT: br i1 [[CMP1]], label [[EXIT:%.*]], label [[CONT1:%.*]]
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; CHECK: cont1:
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; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[N]], 1
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; CHECK-NEXT: br i1 [[CMP2]], label [[EXIT]], label [[CONT2:%.*]]
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; CHECK: cont2:
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; CHECK-NEXT: [[NM1:%.*]] = sub i32 [[N]], 1
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; CHECK-NEXT: [[FIBM1:%.*]] = call i32 @fib(i32 [[NM1]])
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; CHECK-NEXT: [[NM2:%.*]] = sub i32 [[N]], 2
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; CHECK-NEXT: [[FIBM2:%.*]] = call i32 @fib(i32 [[NM2]])
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; CHECK-NEXT: [[RETVAL:%.*]] = add i32 [[FIBM1]], [[FIBM2]]
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; CHECK-NEXT: ret i32 [[RETVAL]]
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; CHECK: exit:
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; CHECK-NEXT: ret i32 1
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;
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%cmp1 = icmp eq i32 %n, 0
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br i1 %cmp1, label %exit, label %cont1
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cont1:
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%cmp2 = icmp eq i32 %n, 1
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br i1 %cmp2, label %exit, label %cont2
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cont2:
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%nm1 = sub i32 %n, 1
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%fibm1 = call i32 @fib(i32 %nm1)
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%nm2 = sub i32 %n, 2
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%fibm2 = call i32 @fib(i32 %nm2)
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%retval = add i32 %fibm1, %fibm2
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ret i32 %retval
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exit:
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ret i32 1
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}
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define internal i32 @fib_internal(i32 %n) #0 {
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; CHECK-LABEL: define {{[^@]+}}@fib_internal
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; CHECK-SAME: (i32 [[N:%.*]]) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[N]], 0
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; CHECK-NEXT: br i1 [[CMP1]], label [[EXIT:%.*]], label [[CONT1:%.*]]
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; CHECK: cont1:
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; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[N]], 1
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; CHECK-NEXT: br i1 [[CMP2]], label [[EXIT]], label [[CONT2:%.*]]
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; CHECK: cont2:
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; CHECK-NEXT: [[NM1:%.*]] = sub i32 [[N]], 1
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; CHECK-NEXT: [[FIBM1:%.*]] = call i32 @fib_internal(i32 [[NM1]])
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; CHECK-NEXT: [[NM2:%.*]] = sub i32 [[N]], 2
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; CHECK-NEXT: [[FIBM2:%.*]] = call i32 @fib_internal(i32 [[NM2]])
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; CHECK-NEXT: [[RETVAL:%.*]] = add i32 [[FIBM1]], [[FIBM2]]
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; CHECK-NEXT: ret i32 [[RETVAL]]
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; CHECK: exit:
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; CHECK-NEXT: ret i32 1
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;
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%cmp1 = icmp eq i32 %n, 0
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br i1 %cmp1, label %exit, label %cont1
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cont1:
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%cmp2 = icmp eq i32 %n, 1
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br i1 %cmp2, label %exit, label %cont2
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cont2:
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%nm1 = sub i32 %n, 1
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%fibm1 = call i32 @fib_internal(i32 %nm1)
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%nm2 = sub i32 %n, 2
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%fibm2 = call i32 @fib_internal(i32 %nm2)
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%retval = add i32 %fibm1, %fibm2
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ret i32 %retval
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exit:
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ret i32 1
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}
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define amdgpu_kernel void @kernel(ptr addrspace(1) %m) #1 {
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; CHECK-LABEL: define {{[^@]+}}@kernel
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; CHECK-SAME: (ptr addrspace(1) [[M:%.*]]) #[[ATTR2:[0-9]+]] {
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; CHECK-NEXT: [[R:%.*]] = call i32 @fib(i32 5)
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; CHECK-NEXT: [[R2:%.*]] = call i32 @fib_internal(i32 5)
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; CHECK-NEXT: store i32 [[R]], ptr addrspace(1) [[M]], align 4
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; CHECK-NEXT: store i32 [[R2]], ptr addrspace(1) [[M]], align 4
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; CHECK-NEXT: ret void
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;
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%r = call i32 @fib(i32 5)
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%r2 = call i32 @fib_internal(i32 5)
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store i32 %r, ptr addrspace(1) %m
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store i32 %r2, ptr addrspace(1) %m
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ret void
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}
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; nounwind and readnone are added to match attributor results.
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attributes #0 = { nounwind readnone }
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attributes #1 = { "uniform-work-group-size"="true" }
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;.
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; CHECK: attributes #[[ATTR0]] = { nounwind memory(none) "amdgpu-agpr-alloc"="0" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-flat-scratch-init" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="false" }
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; CHECK: attributes #[[ATTR1]] = { nounwind memory(none) "amdgpu-agpr-alloc"="0" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-flat-scratch-init" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "uniform-work-group-size"="true" }
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; CHECK: attributes #[[ATTR2]] = { "amdgpu-agpr-alloc"="0" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-flat-scratch-init" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="true" }
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;.
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