diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/minmax-fold.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/minmax-fold.ll | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/llvm/test/Transforms/InstCombine/minmax-fold.ll b/llvm/test/Transforms/InstCombine/minmax-fold.ll index 933aac7e23f..7c1fe1127d1 100644 --- a/llvm/test/Transforms/InstCombine/minmax-fold.ll +++ b/llvm/test/Transforms/InstCombine/minmax-fold.ll @@ -754,10 +754,8 @@ define i32 @common_factor_smin(i32 %a, i32 %b, i32 %c) { ; CHECK-LABEL: @common_factor_smin( ; CHECK-NEXT: [[CMP_AB:%.*]] = icmp slt i32 %a, %b ; CHECK-NEXT: [[MIN_AB:%.*]] = select i1 [[CMP_AB]], i32 %a, i32 %b -; CHECK-NEXT: [[CMP_BC:%.*]] = icmp slt i32 %b, %c -; CHECK-NEXT: [[MIN_BC:%.*]] = select i1 [[CMP_BC]], i32 %b, i32 %c -; CHECK-NEXT: [[CMP_AB_BC:%.*]] = icmp slt i32 [[MIN_AB]], [[MIN_BC]] -; CHECK-NEXT: [[MIN_ABC:%.*]] = select i1 [[CMP_AB_BC]], i32 [[MIN_AB]], i32 [[MIN_BC]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[MIN_AB]], %c +; CHECK-NEXT: [[MIN_ABC:%.*]] = select i1 [[TMP1]], i32 [[MIN_AB]], i32 %c ; CHECK-NEXT: ret i32 [[MIN_ABC]] ; %cmp_ab = icmp slt i32 %a, %b @@ -775,10 +773,8 @@ define <2 x i32> @common_factor_smax(<2 x i32> %a, <2 x i32> %b, <2 x i32> %c) { ; CHECK-LABEL: @common_factor_smax( ; CHECK-NEXT: [[CMP_AB:%.*]] = icmp sgt <2 x i32> %a, %b ; CHECK-NEXT: [[MAX_AB:%.*]] = select <2 x i1> [[CMP_AB]], <2 x i32> %a, <2 x i32> %b -; CHECK-NEXT: [[CMP_CB:%.*]] = icmp sgt <2 x i32> %c, %b -; CHECK-NEXT: [[MAX_CB:%.*]] = select <2 x i1> [[CMP_CB]], <2 x i32> %c, <2 x i32> %b -; CHECK-NEXT: [[CMP_AB_CB:%.*]] = icmp sgt <2 x i32> [[MAX_AB]], [[MAX_CB]] -; CHECK-NEXT: [[MAX_ABC:%.*]] = select <2 x i1> [[CMP_AB_CB]], <2 x i32> [[MAX_AB]], <2 x i32> [[MAX_CB]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <2 x i32> [[MAX_AB]], %c +; CHECK-NEXT: [[MAX_ABC:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> [[MAX_AB]], <2 x i32> %c ; CHECK-NEXT: ret <2 x i32> [[MAX_ABC]] ; %cmp_ab = icmp sgt <2 x i32> %a, %b @@ -796,10 +792,8 @@ define <2 x i32> @common_factor_umin(<2 x i32> %a, <2 x i32> %b, <2 x i32> %c) { ; CHECK-LABEL: @common_factor_umin( ; CHECK-NEXT: [[CMP_BC:%.*]] = icmp ult <2 x i32> %b, %c ; CHECK-NEXT: [[MIN_BC:%.*]] = select <2 x i1> [[CMP_BC]], <2 x i32> %b, <2 x i32> %c -; CHECK-NEXT: [[CMP_AB:%.*]] = icmp ult <2 x i32> %a, %b -; CHECK-NEXT: [[MIN_AB:%.*]] = select <2 x i1> [[CMP_AB]], <2 x i32> %a, <2 x i32> %b -; CHECK-NEXT: [[CMP_BC_AB:%.*]] = icmp ult <2 x i32> [[MIN_BC]], [[MIN_AB]] -; CHECK-NEXT: [[MIN_ABC:%.*]] = select <2 x i1> [[CMP_BC_AB]], <2 x i32> [[MIN_BC]], <2 x i32> [[MIN_AB]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ult <2 x i32> [[MIN_BC]], %a +; CHECK-NEXT: [[MIN_ABC:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> [[MIN_BC]], <2 x i32> %a ; CHECK-NEXT: ret <2 x i32> [[MIN_ABC]] ; %cmp_bc = icmp ult <2 x i32> %b, %c @@ -817,10 +811,8 @@ define i32 @common_factor_umax(i32 %a, i32 %b, i32 %c) { ; CHECK-LABEL: @common_factor_umax( ; CHECK-NEXT: [[CMP_BC:%.*]] = icmp ugt i32 %b, %c ; CHECK-NEXT: [[MAX_BC:%.*]] = select i1 [[CMP_BC]], i32 %b, i32 %c -; CHECK-NEXT: [[CMP_BA:%.*]] = icmp ugt i32 %b, %a -; CHECK-NEXT: [[MAX_BA:%.*]] = select i1 [[CMP_BA]], i32 %b, i32 %a -; CHECK-NEXT: [[CMP_BC_BA:%.*]] = icmp ugt i32 [[MAX_BC]], [[MAX_BA]] -; CHECK-NEXT: [[MAX_ABC:%.*]] = select i1 [[CMP_BC_BA]], i32 [[MAX_BC]], i32 [[MAX_BA]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[MAX_BC]], %a +; CHECK-NEXT: [[MAX_ABC:%.*]] = select i1 [[TMP1]], i32 [[MAX_BC]], i32 %a ; CHECK-NEXT: ret i32 [[MAX_ABC]] ; %cmp_bc = icmp ugt i32 %b, %c @@ -838,10 +830,8 @@ define i32 @common_factor_umax_extra_use_lhs(i32 %a, i32 %b, i32 %c) { ; CHECK-LABEL: @common_factor_umax_extra_use_lhs( ; CHECK-NEXT: [[CMP_BC:%.*]] = icmp ugt i32 %b, %c ; CHECK-NEXT: [[MAX_BC:%.*]] = select i1 [[CMP_BC]], i32 %b, i32 %c -; CHECK-NEXT: [[CMP_BA:%.*]] = icmp ugt i32 %b, %a -; CHECK-NEXT: [[MAX_BA:%.*]] = select i1 [[CMP_BA]], i32 %b, i32 %a -; CHECK-NEXT: [[CMP_BC_BA:%.*]] = icmp ugt i32 [[MAX_BC]], [[MAX_BA]] -; CHECK-NEXT: [[MAX_ABC:%.*]] = select i1 [[CMP_BC_BA]], i32 [[MAX_BC]], i32 [[MAX_BA]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[MAX_BC]], %a +; CHECK-NEXT: [[MAX_ABC:%.*]] = select i1 [[TMP1]], i32 [[MAX_BC]], i32 %a ; CHECK-NEXT: call void @extra_use(i32 [[MAX_BC]]) ; CHECK-NEXT: ret i32 [[MAX_ABC]] ; @@ -857,12 +847,10 @@ define i32 @common_factor_umax_extra_use_lhs(i32 %a, i32 %b, i32 %c) { define i32 @common_factor_umax_extra_use_rhs(i32 %a, i32 %b, i32 %c) { ; CHECK-LABEL: @common_factor_umax_extra_use_rhs( -; CHECK-NEXT: [[CMP_BC:%.*]] = icmp ugt i32 %b, %c -; CHECK-NEXT: [[MAX_BC:%.*]] = select i1 [[CMP_BC]], i32 %b, i32 %c ; CHECK-NEXT: [[CMP_BA:%.*]] = icmp ugt i32 %b, %a ; CHECK-NEXT: [[MAX_BA:%.*]] = select i1 [[CMP_BA]], i32 %b, i32 %a -; CHECK-NEXT: [[CMP_BC_BA:%.*]] = icmp ugt i32 [[MAX_BC]], [[MAX_BA]] -; CHECK-NEXT: [[MAX_ABC:%.*]] = select i1 [[CMP_BC_BA]], i32 [[MAX_BC]], i32 [[MAX_BA]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[MAX_BA]], %c +; CHECK-NEXT: [[MAX_ABC:%.*]] = select i1 [[TMP1]], i32 [[MAX_BA]], i32 %c ; CHECK-NEXT: call void @extra_use(i32 [[MAX_BA]]) ; CHECK-NEXT: ret i32 [[MAX_ABC]] ; |
