diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/canonicalize-lack-of-signed-truncation-check.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/canonicalize-lack-of-signed-truncation-check.ll | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/llvm/test/Transforms/InstCombine/canonicalize-lack-of-signed-truncation-check.ll b/llvm/test/Transforms/InstCombine/canonicalize-lack-of-signed-truncation-check.ll index 4f324f9cd1e..306d3c917c8 100644 --- a/llvm/test/Transforms/InstCombine/canonicalize-lack-of-signed-truncation-check.ll +++ b/llvm/test/Transforms/InstCombine/canonicalize-lack-of-signed-truncation-check.ll @@ -15,9 +15,8 @@ define i1 @p0(i8 %x) { ; CHECK-LABEL: @p0( -; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4 -; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4 -; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[X:%.*]], 8 +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i8 [[TMP1]], 16 ; CHECK-NEXT: ret i1 [[TMP2]] ; %tmp0 = shl i8 %x, 4 @@ -32,9 +31,8 @@ define i1 @p0(i8 %x) { define <2 x i1> @p1_vec_splat(<2 x i8> %x) { ; CHECK-LABEL: @p1_vec_splat( -; CHECK-NEXT: [[TMP0:%.*]] = shl <2 x i8> [[X:%.*]], <i8 4, i8 4> -; CHECK-NEXT: [[TMP1:%.*]] = ashr exact <2 x i8> [[TMP0]], <i8 4, i8 4> -; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i8> [[TMP1]], [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i8> [[X:%.*]], <i8 8, i8 8> +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult <2 x i8> [[TMP1]], <i8 16, i8 16> ; CHECK-NEXT: ret <2 x i1> [[TMP2]] ; %tmp0 = shl <2 x i8> %x, <i8 4, i8 4> @@ -104,9 +102,8 @@ declare i8 @gen8() define i1 @c0() { ; CHECK-LABEL: @c0( ; CHECK-NEXT: [[X:%.*]] = call i8 @gen8() -; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X]], 4 -; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4 -; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[X]], [[TMP1]] +; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[X]], 8 +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i8 [[TMP1]], 16 ; CHECK-NEXT: ret i1 [[TMP2]] ; %x = call i8 @gen8() @@ -126,8 +123,8 @@ define i1 @n_oneuse0(i8 %x) { ; CHECK-LABEL: @n_oneuse0( ; CHECK-NEXT: [[TMP0:%.*]] = shl i8 [[X:%.*]], 4 ; CHECK-NEXT: call void @use8(i8 [[TMP0]]) -; CHECK-NEXT: [[TMP1:%.*]] = ashr exact i8 [[TMP0]], 4 -; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i8 [[TMP1]], [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = add i8 [[X]], 8 +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i8 [[TMP1]], 16 ; CHECK-NEXT: ret i1 [[TMP2]] ; %tmp0 = shl i8 %x, 4 |
