diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/sub-minmax.ll | 26 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/subtract-from-one-hand-of-select.ll | 12 |
2 files changed, 16 insertions, 22 deletions
diff --git a/llvm/test/Transforms/InstCombine/sub-minmax.ll b/llvm/test/Transforms/InstCombine/sub-minmax.ll index 7fb5e31d81e..58edf37195f 100644 --- a/llvm/test/Transforms/InstCombine/sub-minmax.ll +++ b/llvm/test/Transforms/InstCombine/sub-minmax.ll @@ -18,10 +18,8 @@ define i32 @max_na_b_minux_na(i32 %A, i32 %B) { define i32 @na_minus_max_na_b(i32 %A, i32 %B) { ; CHECK-LABEL: @na_minus_max_na_b( ; CHECK-NEXT: [[NOT:%.*]] = xor i32 [[A:%.*]], -1 -; CHECK-NEXT: [[L0:%.*]] = icmp ult i32 [[NOT]], [[B:%.*]] -; CHECK-NEXT: [[L1:%.*]] = select i1 [[L0]], i32 [[NOT]], i32 [[B]] -; CHECK-NEXT: [[X:%.*]] = sub i32 [[NOT]], [[L1]] -; CHECK-NEXT: ret i32 [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.usub.sat.i32(i32 [[NOT]], i32 [[B:%.*]]) +; CHECK-NEXT: ret i32 [[TMP1]] ; %not = xor i32 %A, -1 %l0 = icmp ult i32 %not, %B @@ -47,10 +45,8 @@ define i32 @max_b_na_minus_na(i32 %A, i32 %B) { define i32 @na_minus_max_b_na(i32 %A, i32 %B) { ; CHECK-LABEL: @na_minus_max_b_na( ; CHECK-NEXT: [[NOT:%.*]] = xor i32 [[A:%.*]], -1 -; CHECK-NEXT: [[L0:%.*]] = icmp ugt i32 [[NOT]], [[B:%.*]] -; CHECK-NEXT: [[L1:%.*]] = select i1 [[L0]], i32 [[B]], i32 [[NOT]] -; CHECK-NEXT: [[X:%.*]] = sub i32 [[NOT]], [[L1]] -; CHECK-NEXT: ret i32 [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.usub.sat.i32(i32 [[NOT]], i32 [[B:%.*]]) +; CHECK-NEXT: ret i32 [[TMP1]] ; %not = xor i32 %A, -1 %l0 = icmp ugt i32 %not, %B @@ -62,10 +58,9 @@ define i32 @na_minus_max_b_na(i32 %A, i32 %B) { define i32 @max_na_bi_minux_na(i32 %A, i32 %Bi) { ; CHECK-LABEL: @max_na_bi_minux_na( -; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[A:%.*]], [[BI:%.*]] -; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[BI]], i32 [[A]] -; CHECK-NEXT: [[X:%.*]] = sub i32 [[A]], [[TMP2]] -; CHECK-NEXT: ret i32 [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.usub.sat.i32(i32 [[BI:%.*]], i32 [[A:%.*]]) +; CHECK-NEXT: [[TMP2:%.*]] = sub i32 0, [[TMP1]] +; CHECK-NEXT: ret i32 [[TMP2]] ; %B = xor i32 %Bi, -1 %not = xor i32 %A, -1 @@ -90,10 +85,9 @@ define i32 @na_minus_max_na_bi(i32 %A, i32 %Bi) { define i32 @max_bi_na_minus_na(i32 %A, i32 %Bi) { ; CHECK-LABEL: @max_bi_na_minus_na( -; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[A:%.*]], [[BI:%.*]] -; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[BI]], i32 [[A]] -; CHECK-NEXT: [[X:%.*]] = sub i32 [[A]], [[TMP2]] -; CHECK-NEXT: ret i32 [[X]] +; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.usub.sat.i32(i32 [[BI:%.*]], i32 [[A:%.*]]) +; CHECK-NEXT: [[TMP2:%.*]] = sub i32 0, [[TMP1]] +; CHECK-NEXT: ret i32 [[TMP2]] ; %B = xor i32 %Bi, -1 %not = xor i32 %A, -1 diff --git a/llvm/test/Transforms/InstCombine/subtract-from-one-hand-of-select.ll b/llvm/test/Transforms/InstCombine/subtract-from-one-hand-of-select.ll index 1e68efa8bc5..8ff2e0ee211 100644 --- a/llvm/test/Transforms/InstCombine/subtract-from-one-hand-of-select.ll +++ b/llvm/test/Transforms/InstCombine/subtract-from-one-hand-of-select.ll @@ -12,8 +12,8 @@ define i8 @t0_sub_from_trueval(i1 %c, i8 %Op0, i8 %FalseVal) { ; CHECK-LABEL: @t0_sub_from_trueval( -; CHECK-NEXT: [[O:%.*]] = select i1 [[C:%.*]], i8 [[OP0:%.*]], i8 [[FALSEVAL:%.*]], !prof !0 -; CHECK-NEXT: [[R:%.*]] = sub i8 [[OP0]], [[O]] +; CHECK-NEXT: [[TMP1:%.*]] = sub i8 [[OP0:%.*]], [[FALSEVAL:%.*]] +; CHECK-NEXT: [[R:%.*]] = select i1 [[C:%.*]], i8 0, i8 [[TMP1]], !prof !0 ; CHECK-NEXT: ret i8 [[R]] ; %o = select i1 %c, i8 %Op0, i8 %FalseVal, !prof !0 ; while there, ensure preservation of prof md @@ -22,8 +22,8 @@ define i8 @t0_sub_from_trueval(i1 %c, i8 %Op0, i8 %FalseVal) { } define i8 @t1_sub_from_falseval(i1 %c, i8 %TrueVal, i8 %Op0) { ; CHECK-LABEL: @t1_sub_from_falseval( -; CHECK-NEXT: [[O:%.*]] = select i1 [[C:%.*]], i8 [[TRUEVAL:%.*]], i8 [[OP0:%.*]], !prof !0 -; CHECK-NEXT: [[R:%.*]] = sub i8 [[OP0]], [[O]] +; CHECK-NEXT: [[TMP1:%.*]] = sub i8 [[OP0:%.*]], [[TRUEVAL:%.*]] +; CHECK-NEXT: [[R:%.*]] = select i1 [[C:%.*]], i8 [[TMP1]], i8 0, !prof !0 ; CHECK-NEXT: ret i8 [[R]] ; %o = select i1 %c, i8 %TrueVal, i8 %Op0, !prof !0 ; while there, ensure preservation of prof md @@ -35,8 +35,8 @@ define i8 @t1_sub_from_falseval(i1 %c, i8 %TrueVal, i8 %Op0) { define <2 x i8> @t2_vec(i1 %c, <2 x i8> %Op0, <2 x i8> %FalseVal) { ; CHECK-LABEL: @t2_vec( -; CHECK-NEXT: [[O:%.*]] = select i1 [[C:%.*]], <2 x i8> [[OP0:%.*]], <2 x i8> [[FALSEVAL:%.*]] -; CHECK-NEXT: [[R:%.*]] = sub <2 x i8> [[OP0]], [[O]] +; CHECK-NEXT: [[TMP1:%.*]] = sub <2 x i8> [[OP0:%.*]], [[FALSEVAL:%.*]] +; CHECK-NEXT: [[R:%.*]] = select i1 [[C:%.*]], <2 x i8> zeroinitializer, <2 x i8> [[TMP1]] ; CHECK-NEXT: ret <2 x i8> [[R]] ; %o = select i1 %c, <2 x i8> %Op0, <2 x i8> %FalseVal |
