49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -codegenprepare -mtriple=amdgcn--amdhsa < %s | FileCheck %s
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define amdgpu_kernel void @test_sink_as999_small_max_mubuf_offset(i32 addrspace(999)* %out, i8 addrspace(999)* %in) {
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; CHECK-LABEL: @test_sink_as999_small_max_mubuf_offset(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[OUT_GEP:%.*]] = getelementptr i32, i32 addrspace(999)* [[OUT:%.*]], i32 1024
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; CHECK-NEXT: [[IN_GEP:%.*]] = getelementptr i8, i8 addrspace(999)* [[IN:%.*]], i64 4095
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; CHECK-NEXT: [[TID:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #1
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; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[TID]], 0
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; CHECK-NEXT: br i1 [[TMP0]], label [[ENDIF:%.*]], label [[IF:%.*]]
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; CHECK: if:
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; CHECK-NEXT: [[TMP1:%.*]] = load i8, i8 addrspace(999)* [[IN_GEP]], align 1
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; CHECK-NEXT: [[TMP2:%.*]] = sext i8 [[TMP1]] to i32
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; CHECK-NEXT: br label [[ENDIF]]
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; CHECK: endif:
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; CHECK-NEXT: [[X:%.*]] = phi i32 [ [[TMP2]], [[IF]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: store i32 [[X]], i32 addrspace(999)* [[OUT_GEP]], align 4
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; CHECK-NEXT: br label [[DONE:%.*]]
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; CHECK: done:
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; CHECK-NEXT: ret void
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;
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entry:
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%out.gep = getelementptr i32, i32 addrspace(999)* %out, i32 1024
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%in.gep = getelementptr i8, i8 addrspace(999)* %in, i64 4095
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%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
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%tmp0 = icmp eq i32 %tid, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i8, i8 addrspace(999)* %in.gep
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%tmp2 = sext i8 %tmp1 to i32
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br label %endif
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endif:
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%x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
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store i32 %x, i32 addrspace(999)* %out.gep
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br label %done
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done:
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ret void
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}
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declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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attributes #2 = { nounwind argmemonly }
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