diff options
Diffstat (limited to 'llvm/test/Transforms/SROA/big-endian.ll')
| -rw-r--r-- | llvm/test/Transforms/SROA/big-endian.ll | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/llvm/test/Transforms/SROA/big-endian.ll b/llvm/test/Transforms/SROA/big-endian.ll index ea41a20fd38..fc4b8b28855 100644 --- a/llvm/test/Transforms/SROA/big-endian.ll +++ b/llvm/test/Transforms/SROA/big-endian.ll @@ -83,19 +83,34 @@ entry: store i16 1, i16* %a0i16ptr store i8 1, i8* %a2ptr -; CHECK: %[[mask1:.*]] = and i40 undef, 4294967295 -; CHECK-NEXT: %[[insert1:.*]] = or i40 %[[mask1]], 4294967296 %a3i24ptr = bitcast i8* %a3ptr to i24* store i24 1, i24* %a3i24ptr -; CHECK-NEXT: %[[mask2:.*]] = and i40 %[[insert1]], -4294967041 -; CHECK-NEXT: %[[insert2:.*]] = or i40 %[[mask2]], 256 %a2i40ptr = bitcast i8* %a2ptr to i40* store i40 1, i40* %a2i40ptr -; CHECK-NEXT: %[[ext3:.*]] = zext i40 1 to i56 -; CHECK-NEXT: %[[mask3:.*]] = and i56 undef, -1099511627776 -; CHECK-NEXT: %[[insert3:.*]] = or i56 %[[mask3]], %[[ext3]] + +; the alloca is splitted into multiple slices +; Here, i8 1 is for %a[6] +; CHECK: %[[ext1:.*]] = zext i8 1 to i40 +; CHECK-NEXT: %[[mask1:.*]] = and i40 undef, -256 +; CHECK-NEXT: %[[insert1:.*]] = or i40 %[[mask1]], %[[ext1]] + +; Here, i24 0 is for %a[3] to %a[5] +; CHECK-NEXT: %[[ext2:.*]] = zext i24 0 to i40 +; CHECK-NEXT: %[[shift2:.*]] = shl i40 %[[ext2]], 8 +; CHECK-NEXT: %[[mask2:.*]] = and i40 %[[insert1]], -4294967041 +; CHECK-NEXT: %[[insert2:.*]] = or i40 %[[mask2]], %[[shift2]] + +; Here, i8 0 is for %a[2] +; CHECK-NEXT: %[[ext3:.*]] = zext i8 0 to i40 +; CHECK-NEXT: %[[shift3:.*]] = shl i40 %[[ext3]], 32 +; CHECK-NEXT: %[[mask3:.*]] = and i40 %[[insert2]], 4294967295 +; CHECK-NEXT: %[[insert3:.*]] = or i40 %[[mask3]], %[[shift3]] + +; CHECK-NEXT: %[[ext4:.*]] = zext i40 %[[insert3]] to i56 +; CHECK-NEXT: %[[mask4:.*]] = and i56 undef, -1099511627776 +; CHECK-NEXT: %[[insert4:.*]] = or i56 %[[mask4]], %[[ext4]] ; CHECK-NOT: store ; CHECK-NOT: load @@ -104,11 +119,12 @@ entry: %ai = load i56, i56* %aiptr %ret = zext i56 %ai to i64 ret i64 %ret -; CHECK-NEXT: %[[ext4:.*]] = zext i16 1 to i56 -; CHECK-NEXT: %[[shift4:.*]] = shl i56 %[[ext4]], 40 -; CHECK-NEXT: %[[mask4:.*]] = and i56 %[[insert3]], 1099511627775 -; CHECK-NEXT: %[[insert4:.*]] = or i56 %[[mask4]], %[[shift4]] -; CHECK-NEXT: %[[ret:.*]] = zext i56 %[[insert4]] to i64 +; Here, i16 1 is for %a[0] to %a[1] +; CHECK-NEXT: %[[ext5:.*]] = zext i16 1 to i56 +; CHECK-NEXT: %[[shift5:.*]] = shl i56 %[[ext5]], 40 +; CHECK-NEXT: %[[mask5:.*]] = and i56 %[[insert4]], 1099511627775 +; CHECK-NEXT: %[[insert5:.*]] = or i56 %[[mask5]], %[[shift5]] +; CHECK-NEXT: %[[ret:.*]] = zext i56 %[[insert5]] to i64 ; CHECK-NEXT: ret i64 %[[ret]] } |
