| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| define <4 x i32> @psignd_3(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: @psignd_3( |
| ; CHECK-NEXT: [[SUB:%.*]] = sub nsw <4 x i32> zeroinitializer, [[A:%.*]] |
| ; CHECK-NEXT: [[B_LOBIT1:%.*]] = ashr <4 x i32> [[B:%.*]], <i32 31, i32 31, i32 31, i32 31> |
| ; CHECK-NEXT: [[T1:%.*]] = xor <4 x i32> [[B_LOBIT1]], <i32 -1, i32 -1, i32 -1, i32 -1> |
| ; CHECK-NEXT: [[T2:%.*]] = and <4 x i32> [[T1]], [[A]] |
| ; CHECK-NEXT: [[T3:%.*]] = and <4 x i32> [[B_LOBIT1]], [[SUB]] |
| ; CHECK-NEXT: [[COND:%.*]] = or <4 x i32> [[T2]], [[T3]] |
| ; CHECK-NEXT: ret <4 x i32> [[COND]] |
| ; |
| %cmp = icmp slt <4 x i32> %b, zeroinitializer |
| %sext = sext <4 x i1> %cmp to <4 x i32> |
| %sub = sub nsw <4 x i32> zeroinitializer, %a |
| %t0 = icmp slt <4 x i32> %sext, zeroinitializer |
| %sext3 = sext <4 x i1> %t0 to <4 x i32> |
| %t1 = xor <4 x i32> %sext3, <i32 -1, i32 -1, i32 -1, i32 -1> |
| %t2 = and <4 x i32> %a, %t1 |
| %t3 = and <4 x i32> %sext3, %sub |
| %cond = or <4 x i32> %t2, %t3 |
| ret <4 x i32> %cond |
| } |
| |
| define <4 x i32> @test1(<4 x i32> %a, <4 x i32> %b) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: [[SUB:%.*]] = sub nsw <4 x i32> zeroinitializer, [[A:%.*]] |
| ; CHECK-NEXT: [[B_LOBIT1:%.*]] = ashr <4 x i32> [[B:%.*]], <i32 31, i32 31, i32 31, i32 31> |
| ; CHECK-NEXT: [[B_LOBIT1_NOT:%.*]] = xor <4 x i32> [[B_LOBIT1]], <i32 -1, i32 -1, i32 -1, i32 -1> |
| ; CHECK-NEXT: [[T2:%.*]] = and <4 x i32> [[B_LOBIT1]], [[A]] |
| ; CHECK-NEXT: [[T3:%.*]] = and <4 x i32> [[B_LOBIT1_NOT]], [[SUB]] |
| ; CHECK-NEXT: [[COND:%.*]] = or <4 x i32> [[T2]], [[T3]] |
| ; CHECK-NEXT: ret <4 x i32> [[COND]] |
| ; |
| %cmp = icmp sgt <4 x i32> %b, <i32 -1, i32 -1, i32 -1, i32 -1> |
| %sext = sext <4 x i1> %cmp to <4 x i32> |
| %sub = sub nsw <4 x i32> zeroinitializer, %a |
| %t0 = icmp slt <4 x i32> %sext, zeroinitializer |
| %sext3 = sext <4 x i1> %t0 to <4 x i32> |
| %t1 = xor <4 x i32> %sext3, <i32 -1, i32 -1, i32 -1, i32 -1> |
| %t2 = and <4 x i32> %a, %t1 |
| %t3 = and <4 x i32> %sext3, %sub |
| %cond = or <4 x i32> %t2, %t3 |
| ret <4 x i32> %cond |
| } |
| |
| define <2 x i32> @is_negative_undef_elt(<2 x i32> %a) { |
| ; CHECK-LABEL: @is_negative_undef_elt( |
| ; CHECK-NEXT: [[A_LOBIT:%.*]] = ashr <2 x i32> [[A:%.*]], <i32 31, i32 31> |
| ; CHECK-NEXT: ret <2 x i32> [[A_LOBIT]] |
| ; |
| %cmp = icmp slt <2 x i32> %a, <i32 0, i32 undef> |
| %sext = sext <2 x i1> %cmp to <2 x i32> |
| ret <2 x i32> %sext |
| |
| } |
| |
| define <2 x i32> @is_positive_undef_elt(<2 x i32> %a) { |
| ; CHECK-LABEL: @is_positive_undef_elt( |
| ; CHECK-NEXT: [[A_LOBIT:%.*]] = ashr <2 x i32> [[A:%.*]], <i32 31, i32 31> |
| ; CHECK-NEXT: [[A_LOBIT_NOT:%.*]] = xor <2 x i32> [[A_LOBIT]], <i32 -1, i32 -1> |
| ; CHECK-NEXT: ret <2 x i32> [[A_LOBIT_NOT]] |
| ; |
| %cmp = icmp sgt <2 x i32> %a, <i32 undef, i32 -1> |
| %sext = sext <2 x i1> %cmp to <2 x i32> |
| ret <2 x i32> %sext |
| } |
| |