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[test][MemCpyOpt] Precommit test

This commit is contained in:
Arthur Eubanks 2022-02-12 16:52:33 -08:00
parent 861386dbd6
commit 12ba0659b4
1 changed files with 20 additions and 0 deletions
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20
llvm/test/Transforms/MemCpyOpt/opaque-ptr.ll
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@ -16,5 +16,25 @@ define void @test_memset_memcpy(ptr %src, i64 %src_size, ptr noalias %dst, i64 %
ret void
}
%a = type { i64, i64, i64 }
%b = type { i32, i32, i32 }
define void @test_non_const_gep(ptr %src, i64 %i) {
; CHECK-LABEL: @test_non_const_gep(
; CHECK-NEXT: [[PB:%.*]] = getelementptr [[B:%.*]], ptr [[SRC:%.*]], i64 0, i32 1
; CHECK-NEXT: [[PA:%.*]] = getelementptr [[A:%.*]], ptr [[SRC]], i64 0, i32 1
; CHECK-NEXT: [[PA2:%.*]] = getelementptr [[A]], ptr [[SRC]], i64 0, i32 2
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[PA]], i8 0, i64 16, i1 false)
; CHECK-NEXT: ret void
;
%pb = getelementptr %b, ptr %src, i64 0, i32 1
store i64 0, ptr %pb
%pa = getelementptr %a, ptr %src, i64 0, i32 1
store i64 0, ptr %pa
%pa2 = getelementptr %a, ptr %src, i64 0, i32 2
store i64 0, ptr %pa2
ret void
}
declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1)
declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)