diff options
author | Alexander Kornienko <alexfh@google.com> | 2013-03-14 10:51:38 +0000 |
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committer | Alexander Kornienko <alexfh@google.com> | 2013-03-14 10:51:38 +0000 |
commit | 647735c781c5b37061ee03d6e9e6c7dda92218e2 (patch) | |
tree | 5a5e56606d41060263048b5a5586b3d2380898ba /test/Transforms/SROA/basictest.ll | |
parent | 6aed25d93d1cfcde5809a73ffa7dc1b0d6396f66 (diff) | |
parent | f635ef401786c84df32090251a8cf45981ecca33 (diff) |
Updating branches/google/stable to r176857
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@177040 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SROA/basictest.ll')
-rw-r--r-- | test/Transforms/SROA/basictest.ll | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/test/Transforms/SROA/basictest.ll b/test/Transforms/SROA/basictest.ll index 9fe926ee2c..efc01acd59 100644 --- a/test/Transforms/SROA/basictest.ll +++ b/test/Transforms/SROA/basictest.ll @@ -575,8 +575,8 @@ entry: store i8 0, i8* %a2ptr %aiptr = bitcast [3 x i8]* %a to i24* %ai = load i24* %aiptr -; CHCEK-NOT: store -; CHCEK-NOT: load +; CHECK-NOT: store +; CHECK-NOT: load ; CHECK: %[[ext2:.*]] = zext i8 0 to i24 ; CHECK-NEXT: %[[shift2:.*]] = shl i24 %[[ext2]], 16 ; CHECK-NEXT: %[[mask2:.*]] = and i24 undef, 65535 @@ -597,8 +597,8 @@ entry: %b1 = load i8* %b1ptr %b2ptr = getelementptr [3 x i8]* %b, i64 0, i32 2 %b2 = load i8* %b2ptr -; CHCEK-NOT: store -; CHCEK-NOT: load +; CHECK-NOT: store +; CHECK-NOT: load ; CHECK: %[[trunc0:.*]] = trunc i24 %[[insert0]] to i8 ; CHECK-NEXT: %[[shift1:.*]] = lshr i24 %[[insert0]], 8 ; CHECK-NEXT: %[[trunc1:.*]] = trunc i24 %[[shift1]] to i8 @@ -1176,3 +1176,50 @@ entry: %baz = load i1* %a.i1, align 1 ret void } + +define <3 x i8> @PR14572.1(i32 %x) { +; Ensure that a split integer store which is wider than the type size of the +; alloca (relying on the alloc size padding) doesn't trigger an assert. +; CHECK: @PR14572.1 + +entry: + %a = alloca <3 x i8>, align 4 +; CHECK-NOT: alloca + + %cast = bitcast <3 x i8>* %a to i32* + store i32 %x, i32* %cast, align 1 + %y = load <3 x i8>* %a, align 4 + ret <3 x i8> %y +; CHECK: ret <3 x i8> +} + +define i32 @PR14572.2(<3 x i8> %x) { +; Ensure that a split integer load which is wider than the type size of the +; alloca (relying on the alloc size padding) doesn't trigger an assert. +; CHECK: @PR14572.2 + +entry: + %a = alloca <3 x i8>, align 4 +; CHECK-NOT: alloca + + store <3 x i8> %x, <3 x i8>* %a, align 1 + %cast = bitcast <3 x i8>* %a to i32* + %y = load i32* %cast, align 4 + ret i32 %y +; CHECK: ret i32 +} + +define i32 @PR14601(i32 %x) { +; Don't try to form a promotable integer alloca when there is a variable length +; memory intrinsic. +; CHECK: @PR14601 + +entry: + %a = alloca i32 +; CHECK: alloca + + %a.i8 = bitcast i32* %a to i8* + call void @llvm.memset.p0i8.i32(i8* %a.i8, i8 0, i32 %x, i32 1, i1 false) + %v = load i32* %a + ret i32 %v +} |