| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s |
| |
| define void @test.not.uge.ult(i8 %start, i8 %low, i8 %high) { |
| ; CHECK-LABEL: @test.not.uge.ult( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = add nsw i8 [[START:%.*]], 3 |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp uge i8 [[ADD_PTR_I]], [[HIGH:%.*]] |
| ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: ret void |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[T_0:%.*]] = icmp ult i8 [[START]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_0]]) |
| ; CHECK-NEXT: [[START_1:%.*]] = add nsw i8 [[START]], 1 |
| ; CHECK-NEXT: [[T_1:%.*]] = icmp ult i8 [[START_1]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_1]]) |
| ; CHECK-NEXT: [[START_2:%.*]] = add nsw i8 [[START]], 2 |
| ; CHECK-NEXT: [[T_2:%.*]] = icmp ult i8 [[START_2]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_2]]) |
| ; CHECK-NEXT: [[START_3:%.*]] = add nsw i8 [[START]], 3 |
| ; CHECK-NEXT: [[T_3:%.*]] = icmp ult i8 [[START_3]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_3]]) |
| ; CHECK-NEXT: [[START_4:%.*]] = add nsw i8 [[START]], 4 |
| ; CHECK-NEXT: [[C_4:%.*]] = icmp ult i8 [[START_4]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[C_4]]) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %add.ptr.i = add nsw i8 %start, 3 |
| %c.1 = icmp uge i8 %add.ptr.i, %high |
| br i1 %c.1, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| ret void |
| |
| if.end: ; preds = %entry |
| %t.0 = icmp ult i8 %start, %high |
| call void @use(i1 %t.0) |
| %start.1 = add nsw i8 %start, 1 |
| %t.1 = icmp ult i8 %start.1, %high |
| call void @use(i1 %t.1) |
| %start.2 = add nsw i8 %start, 2 |
| %t.2 = icmp ult i8 %start.2, %high |
| call void @use(i1 %t.2) |
| %start.3 = add nsw i8 %start, 3 |
| %t.3 = icmp ult i8 %start.3, %high |
| call void @use(i1 %t.3) |
| %start.4 = add nsw i8 %start, 4 |
| %c.4 = icmp ult i8 %start.4, %high |
| call void @use(i1 %c.4) |
| ret void |
| } |
| |
| define void @test.not.sge.slt(i8 %start, i8 %low, i8 %high) { |
| ; CHECK-LABEL: @test.not.sge.slt( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[ADD_PTR_I:%.*]] = add nsw i8 [[START:%.*]], 3 |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp sge i8 [[ADD_PTR_I]], [[HIGH:%.*]] |
| ; CHECK-NEXT: br i1 [[C_1]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: ret void |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[T_0:%.*]] = icmp slt i8 [[START]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_0]]) |
| ; CHECK-NEXT: [[START_1:%.*]] = add nsw i8 [[START]], 1 |
| ; CHECK-NEXT: [[T_1:%.*]] = icmp slt i8 [[START_1]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_1]]) |
| ; CHECK-NEXT: [[START_2:%.*]] = add nsw i8 [[START]], 2 |
| ; CHECK-NEXT: [[T_2:%.*]] = icmp slt i8 [[START_2]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_2]]) |
| ; CHECK-NEXT: [[START_3:%.*]] = add nsw i8 [[START]], 3 |
| ; CHECK-NEXT: [[T_3:%.*]] = icmp slt i8 [[START_3]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[T_3]]) |
| ; CHECK-NEXT: [[START_4:%.*]] = add nsw i8 [[START]], 4 |
| ; CHECK-NEXT: [[C_4:%.*]] = icmp slt i8 [[START_4]], [[HIGH]] |
| ; CHECK-NEXT: call void @use(i1 [[C_4]]) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %add.ptr.i = add nsw i8 %start, 3 |
| %c.1 = icmp sge i8 %add.ptr.i, %high |
| br i1 %c.1, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| ret void |
| |
| if.end: ; preds = %entry |
| %t.0 = icmp slt i8 %start, %high |
| call void @use(i1 %t.0) |
| %start.1 = add nsw i8 %start, 1 |
| %t.1 = icmp slt i8 %start.1, %high |
| call void @use(i1 %t.1) |
| %start.2 = add nsw i8 %start, 2 |
| %t.2 = icmp slt i8 %start.2, %high |
| call void @use(i1 %t.2) |
| %start.3 = add nsw i8 %start, 3 |
| %t.3 = icmp slt i8 %start.3, %high |
| call void @use(i1 %t.3) |
| %start.4 = add nsw i8 %start, 4 |
| %c.4 = icmp slt i8 %start.4, %high |
| call void @use(i1 %c.4) |
| ret void |
| } |
| |
| define void @test.decompose.nonconst(i8 %a, i8 %b, i8 %c, i8 %d) { |
| ; CHECK-LABEL: @test.decompose.nonconst( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[C_0:%.*]] = icmp sge i8 [[A:%.*]], [[C:%.*]] |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp sge i8 [[B:%.*]], [[C]] |
| ; CHECK-NEXT: [[AND_0:%.*]] = and i1 [[C_0]], [[C_1]] |
| ; CHECK-NEXT: br i1 [[AND_0]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[C_2:%.*]] = icmp sge i8 [[A]], 0 |
| ; CHECK-NEXT: [[C_3:%.*]] = icmp sge i8 [[B]], 0 |
| ; CHECK-NEXT: [[AND_1:%.*]] = and i1 [[C_2]], [[C_3]] |
| ; CHECK-NEXT: br i1 [[AND_1]], label [[IF_THEN_2:%.*]], label [[IF_END]] |
| ; CHECK: if.then.2: |
| ; CHECK-NEXT: [[ADD_0:%.*]] = add nsw i8 [[A]], [[B]] |
| ; CHECK-NEXT: [[T_0:%.*]] = icmp sge i8 [[ADD_0]], [[C]] |
| ; CHECK-NEXT: call void @use(i1 [[T_0]]) |
| ; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i8 [[A]], [[A]] |
| ; CHECK-NEXT: [[T_1:%.*]] = icmp sge i8 [[ADD_0]], [[C]] |
| ; CHECK-NEXT: call void @use(i1 [[T_1]]) |
| ; CHECK-NEXT: [[ADD_2:%.*]] = add nsw i8 [[A]], [[D:%.*]] |
| ; CHECK-NEXT: [[C_4:%.*]] = icmp sge i8 [[ADD_2]], [[C]] |
| ; CHECK-NEXT: call void @use(i1 [[C_4]]) |
| ; CHECK-NEXT: ret void |
| ; CHECK: if.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %c.0 = icmp sge i8 %a, %c |
| %c.1 = icmp sge i8 %b, %c |
| %and.0 = and i1 %c.0, %c.1 |
| br i1 %and.0, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| %c.2 = icmp sge i8 %a, 0 |
| %c.3 = icmp sge i8 %b, 0 |
| %and.1 = and i1 %c.2, %c.3 |
| br i1 %and.1, label %if.then.2, label %if.end |
| |
| if.then.2: |
| %add.0 = add nsw i8 %a, %b |
| %t.0 = icmp sge i8 %add.0, %c |
| call void @use(i1 %t.0) |
| %add.1 = add nsw i8 %a, %a |
| %t.1 = icmp sge i8 %add.0, %c |
| call void @use(i1 %t.1) |
| %add.2 = add nsw i8 %a, %d |
| %c.4 = icmp sge i8 %add.2, %c |
| call void @use(i1 %c.4) |
| ret void |
| |
| if.end: ; preds = %entry |
| ret void |
| } |
| |
| define void @test.decompose.nonconst.no.null.check(i8 %a, i8 %b, i8 %c, i8 %d) { |
| ; CHECK-LABEL: @test.decompose.nonconst.no.null.check( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[C_0:%.*]] = icmp sge i8 [[A:%.*]], [[C:%.*]] |
| ; CHECK-NEXT: [[C_1:%.*]] = icmp sge i8 [[B:%.*]], [[C]] |
| ; CHECK-NEXT: [[AND_0:%.*]] = and i1 [[C_0]], [[C_1]] |
| ; CHECK-NEXT: br i1 [[AND_0]], label [[IF_THEN:%.*]], label [[IF_END:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[ADD_0:%.*]] = add nsw i8 [[A]], [[B]] |
| ; CHECK-NEXT: [[T_0:%.*]] = icmp sge i8 [[ADD_0]], [[C]] |
| ; CHECK-NEXT: call void @use(i1 [[T_0]]) |
| ; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i8 [[A]], [[A]] |
| ; CHECK-NEXT: [[T_1:%.*]] = icmp sge i8 [[ADD_0]], [[C]] |
| ; CHECK-NEXT: call void @use(i1 [[T_1]]) |
| ; CHECK-NEXT: [[ADD_2:%.*]] = add nsw i8 [[A]], [[D:%.*]] |
| ; CHECK-NEXT: [[C_4:%.*]] = icmp sge i8 [[ADD_2]], [[C]] |
| ; CHECK-NEXT: call void @use(i1 [[C_4]]) |
| ; CHECK-NEXT: ret void |
| ; CHECK: if.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %c.0 = icmp sge i8 %a, %c |
| %c.1 = icmp sge i8 %b, %c |
| %and.0 = and i1 %c.0, %c.1 |
| br i1 %and.0, label %if.then, label %if.end |
| |
| if.then: ; preds = %entry |
| %add.0 = add nsw i8 %a, %b |
| %t.0 = icmp sge i8 %add.0, %c |
| call void @use(i1 %t.0) |
| %add.1 = add nsw i8 %a, %a |
| %t.1 = icmp sge i8 %add.0, %c |
| call void @use(i1 %t.1) |
| %add.2 = add nsw i8 %a, %d |
| %c.4 = icmp sge i8 %add.2, %c |
| call void @use(i1 %c.4) |
| ret void |
| |
| if.end: ; preds = %entry |
| ret void |
| } |
| |
| declare void @use(i1) |