Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/CodeGen/AMDGPU/unroll.ll

@@ -1,100 +0,0 @@
-; RUN: opt -mtriple=amdgcn-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s
-; RUN: opt -mtriple=r600-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s
-
-
-; This test contains a simple loop that initializes an array declared in
-; private memory.  We want to make sure these kinds of loops are always
-; unrolled, because private memory is slow.
-
-; CHECK-LABEL: @private_memory
-; CHECK-NOT: alloca
-; CHECK: store i32 5, i32 addrspace(1)* %out
-define amdgpu_kernel void @private_memory(i32 addrspace(1)* %out) {
-entry:
-  %0 = alloca [32 x i32]
-  br label %loop.header
-
-loop.header:
-  %counter = phi i32 [0, %entry], [%inc, %loop.inc]
-  br label %loop.body
-
-loop.body:
-  %ptr = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 %counter
-  store i32 %counter, i32* %ptr
-  br label %loop.inc
-
-loop.inc:
-  %inc = add i32 %counter, 1
-  %1 = icmp sge i32 %counter, 32
-  br i1 %1, label  %exit, label %loop.header
-
-exit:
-  %2 = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 5
-  %3 = load i32, i32* %2
-  store i32 %3, i32 addrspace(1)* %out
-  ret void
-}
-
-; Check that loop is unrolled for local memory references
-
-; CHECK-LABEL: @local_memory
-; CHECK: getelementptr i32, i32 addrspace(1)* %out, i32 128
-; CHECK-NEXT: store
-; CHECK-NEXT: ret
-define amdgpu_kernel void @local_memory(i32 addrspace(1)* %out, i32 addrspace(3)* %lds) {
-entry:
-  br label %loop.header
-
-loop.header:
-  %counter = phi i32 [0, %entry], [%inc, %loop.inc]
-  br label %loop.body
-
-loop.body:
-  %ptr_lds = getelementptr i32, i32 addrspace(3)* %lds, i32 %counter
-  %val = load i32, i32 addrspace(3)* %ptr_lds
-  %ptr_out = getelementptr i32, i32 addrspace(1)* %out, i32 %counter
-  store i32 %val, i32 addrspace(1)* %ptr_out
-  br label %loop.inc
-
-loop.inc:
-  %inc = add i32 %counter, 1
-  %cond = icmp sge i32 %counter, 128
-  br i1 %cond, label  %exit, label %loop.header
-
-exit:
-  ret void
-}
-
-; Check that a loop with if inside completely unrolled to eliminate phi and if
-
-; CHECK-LABEL: @unroll_for_if
-; CHECK: entry:
-; CHECK-NEXT: getelementptr
-; CHECK-NEXT: store
-; CHECK-NEXT: getelementptr
-; CHECK-NEXT: store
-; CHECK-NOT: br
-define amdgpu_kernel void @unroll_for_if(i32* %a) {
-entry:
-  br label %for.body
-
-for.body:                                         ; preds = %entry, %for.inc
-  %i1 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
-  %and = and i32 %i1, 1
-  %tobool = icmp eq i32 %and, 0
-  br i1 %tobool, label %for.inc, label %if.then
-
-if.then:                                          ; preds = %for.body
-  %0 = sext i32 %i1 to i64
-  %arrayidx = getelementptr inbounds i32, i32* %a, i64 %0
-  store i32 0, i32* %arrayidx, align 4
-  br label %for.inc
-
-for.inc:                                          ; preds = %for.body, %if.then
-  %inc = add nuw nsw i32 %i1, 1
-  %cmp = icmp ult i32 %inc, 48
-  br i1 %cmp, label %for.body, label %for.end
-
-for.end:                                          ; preds = %for.cond
-  ret void
-}