| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -instcombine < %s | FileCheck %s |
| |
| declare void @foo() |
| |
| define i1 @test1(i32 %a, i32 %b) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: [[TMP1:%.*]] = or i32 %a, %b |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i32 [[TMP1]], 0 |
| ; CHECK-NEXT: ret i1 [[TMP2]] |
| ; |
| %1 = icmp slt i32 %a, 0 |
| %2 = icmp slt i32 %b, 0 |
| %or.cond = or i1 %1, %2 |
| ret i1 %or.cond |
| } |
| |
| define i1 @test2(i32 %a, i32 %b) { |
| ; CHECK-LABEL: @test2( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, %b |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[TMP1]], -1 |
| ; CHECK-NEXT: ret i1 [[TMP2]] |
| ; |
| %1 = icmp sgt i32 %a, -1 |
| %2 = icmp sgt i32 %b, -1 |
| %or.cond = or i1 %1, %2 |
| ret i1 %or.cond |
| } |
| |
| define i1 @test3(i32 %a, i32 %b) { |
| ; CHECK-LABEL: @test3( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, %b |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i32 [[TMP1]], 0 |
| ; CHECK-NEXT: ret i1 [[TMP2]] |
| ; |
| %1 = icmp slt i32 %a, 0 |
| %2 = icmp slt i32 %b, 0 |
| %or.cond = and i1 %1, %2 |
| ret i1 %or.cond |
| } |
| |
| define i1 @test4(i32 %a, i32 %b) { |
| ; CHECK-LABEL: @test4( |
| ; CHECK-NEXT: [[TMP1:%.*]] = or i32 %a, %b |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[TMP1]], -1 |
| ; CHECK-NEXT: ret i1 [[TMP2]] |
| ; |
| %1 = icmp sgt i32 %a, -1 |
| %2 = icmp sgt i32 %b, -1 |
| %or.cond = and i1 %1, %2 |
| ret i1 %or.cond |
| } |
| |
| define void @test5(i32 %a) { |
| ; CHECK-LABEL: @test5( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, -2013265920 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[TMP2]], label %if.then, label %if.end |
| ; |
| %and = and i32 %a, 134217728 |
| %1 = icmp eq i32 %and, 0 |
| %2 = icmp sgt i32 %a, -1 |
| %or.cond = and i1 %1, %2 |
| br i1 %or.cond, label %if.then, label %if.end |
| |
| |
| if.then: |
| tail call void @foo() nounwind |
| ret void |
| |
| if.end: |
| ret void |
| } |
| |
| define void @test6(i32 %a) { |
| ; CHECK-LABEL: @test6( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, -2013265920 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[TMP2]], label %if.then, label %if.end |
| ; |
| %1 = icmp sgt i32 %a, -1 |
| %and = and i32 %a, 134217728 |
| %2 = icmp eq i32 %and, 0 |
| %or.cond = and i1 %1, %2 |
| br i1 %or.cond, label %if.then, label %if.end |
| |
| |
| if.then: |
| tail call void @foo() nounwind |
| ret void |
| |
| if.end: |
| ret void |
| } |
| |
| define void @test7(i32 %a) { |
| ; CHECK-LABEL: @test7( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, -2013265920 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[TMP2]], label %if.end, label %if.then |
| ; |
| %and = and i32 %a, 134217728 |
| %1 = icmp ne i32 %and, 0 |
| %2 = icmp slt i32 %a, 0 |
| %or.cond = or i1 %1, %2 |
| br i1 %or.cond, label %if.then, label %if.end |
| |
| |
| if.then: |
| tail call void @foo() nounwind |
| ret void |
| |
| if.end: |
| ret void |
| } |
| |
| define void @test8(i32 %a) { |
| ; CHECK-LABEL: @test8( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, -2013265920 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[TMP2]], label %if.end, label %if.then |
| ; |
| %1 = icmp slt i32 %a, 0 |
| %and = and i32 %a, 134217728 |
| %2 = icmp ne i32 %and, 0 |
| %or.cond = or i1 %1, %2 |
| br i1 %or.cond, label %if.then, label %if.end |
| |
| |
| if.then: |
| tail call void @foo() |
| ret void |
| |
| if.end: |
| ret void |
| } |
| |
| define i1 @test9(i32 %a) { |
| ; CHECK-LABEL: @test9( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, -1073741824 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 1073741824 |
| ; CHECK-NEXT: ret i1 [[TMP2]] |
| ; |
| %1 = and i32 %a, 1073741824 |
| %2 = icmp ne i32 %1, 0 |
| %3 = icmp sgt i32 %a, -1 |
| %or.cond = and i1 %2, %3 |
| ret i1 %or.cond |
| } |
| |
| define i1 @test10(i32 %a) { |
| ; CHECK-LABEL: @test10( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 %a, 2 |
| ; CHECK-NEXT: ret i1 [[TMP1]] |
| ; |
| %1 = and i32 %a, 2 |
| %2 = icmp eq i32 %1, 0 |
| %3 = icmp ult i32 %a, 4 |
| %or.cond = and i1 %2, %3 |
| ret i1 %or.cond |
| } |
| |
| define i1 @test11(i32 %a) { |
| ; CHECK-LABEL: @test11( |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 %a, 1 |
| ; CHECK-NEXT: ret i1 [[TMP1]] |
| ; |
| %1 = and i32 %a, 2 |
| %2 = icmp ne i32 %1, 0 |
| %3 = icmp ugt i32 %a, 3 |
| %or.cond = or i1 %2, %3 |
| ret i1 %or.cond |
| } |