; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -early-cse -earlycse-debug-hash -S < %s | FileCheck %s ; RUN: opt -basic-aa -early-cse-memssa -S < %s | FileCheck %s define i32 @test_01(i32 %a, i32 %b) { ; CHECK-LABEL: @test_01( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: br i1 [[COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: ret i32 [[A]] ; CHECK: if.false: ; CHECK-NEXT: ret i32 [[B]] ; entry: %cond = icmp slt i32 %a, %b br i1 %cond, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_02(i32 %a, i32 %b, i1 %c) { ; CHECK-LABEL: @test_02( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND_COND:%.*]] = and i1 [[COND]], [[C:%.*]] ; CHECK-NEXT: br i1 [[AND_COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: ret i32 [[A]] ; CHECK: if.false: ; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[Y]] ; entry: %cond = icmp slt i32 %a, %b %and.cond = and i1 %cond, %c br i1 %and.cond, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_02_select(i32 %a, i32 %b, i1 %c) { ; CHECK-LABEL: @test_02_select( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND_COND:%.*]] = select i1 [[COND]], i1 [[C:%.*]], i1 false ; CHECK-NEXT: br i1 [[AND_COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: ret i32 [[A]] ; CHECK: if.false: ; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[Y]] ; entry: %cond = icmp slt i32 %a, %b %and.cond = select i1 %cond, i1 %c, i1 false br i1 %and.cond, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_03(i32 %a, i32 %b, i1 %c) { ; CHECK-LABEL: @test_03( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = or i1 [[COND]], [[C:%.*]] ; CHECK-NEXT: br i1 [[OR_COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[X]] ; CHECK: if.false: ; CHECK-NEXT: ret i32 [[B]] ; entry: %cond = icmp slt i32 %a, %b %or.cond = or i1 %cond, %c br i1 %or.cond, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_03_select(i32 %a, i32 %b, i1 %c) { ; CHECK-LABEL: @test_03_select( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[COND]], i1 true, i1 [[C:%.*]] ; CHECK-NEXT: br i1 [[OR_COND]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[X]] ; CHECK: if.false: ; CHECK-NEXT: ret i32 [[B]] ; entry: %cond = icmp slt i32 %a, %b %or.cond = select i1 %cond, i1 true, i1 %c br i1 %or.cond, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_04(i32 %a, i32 %b, i1 %c1, i1 %c2) { ; CHECK-LABEL: @test_04( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND_COND1:%.*]] = and i1 [[COND]], [[C1:%.*]] ; CHECK-NEXT: [[AND_COND2:%.*]] = and i1 [[AND_COND1]], [[C2:%.*]] ; CHECK-NEXT: br i1 [[AND_COND2]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: ret i32 [[A]] ; CHECK: if.false: ; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[Y]] ; entry: %cond = icmp slt i32 %a, %b %and.cond1 = and i1 %cond, %c1 %and.cond2 = and i1 %and.cond1, %c2 br i1 %and.cond2, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_04_select(i32 %a, i32 %b, i1 %c1, i1 %c2) { ; CHECK-LABEL: @test_04_select( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[AND_COND1:%.*]] = select i1 [[COND]], i1 [[C1:%.*]], i1 false ; CHECK-NEXT: [[AND_COND2:%.*]] = select i1 [[AND_COND1]], i1 [[C2:%.*]], i1 false ; CHECK-NEXT: br i1 [[AND_COND2]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: ret i32 [[A]] ; CHECK: if.false: ; CHECK-NEXT: [[Y:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[Y]] ; entry: %cond = icmp slt i32 %a, %b %and.cond1 = select i1 %cond, i1 %c1, i1 false %and.cond2 = select i1 %and.cond1, i1 %c2, i1 false br i1 %and.cond2, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_05(i32 %a, i32 %b, i1 %c1, i1 %c2) { ; CHECK-LABEL: @test_05( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND1:%.*]] = or i1 [[COND]], [[C1:%.*]] ; CHECK-NEXT: [[OR_COND2:%.*]] = or i1 [[OR_COND1]], [[C2:%.*]] ; CHECK-NEXT: br i1 [[OR_COND2]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[X]] ; CHECK: if.false: ; CHECK-NEXT: ret i32 [[B]] ; entry: %cond = icmp slt i32 %a, %b %or.cond1 = or i1 %cond, %c1 %or.cond2 = or i1 %or.cond1, %c2 br i1 %or.cond2, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y } define i32 @test_05_select(i32 %a, i32 %b, i1 %c1, i1 %c2) { ; CHECK-LABEL: @test_05_select( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: [[OR_COND1:%.*]] = select i1 [[COND]], i1 true, i1 [[C1:%.*]] ; CHECK-NEXT: [[OR_COND2:%.*]] = select i1 [[OR_COND1]], i1 true, i1 [[C2:%.*]] ; CHECK-NEXT: br i1 [[OR_COND2]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] ; CHECK: if.true: ; CHECK-NEXT: [[X:%.*]] = select i1 [[COND]], i32 [[A]], i32 [[B]] ; CHECK-NEXT: ret i32 [[X]] ; CHECK: if.false: ; CHECK-NEXT: ret i32 [[B]] ; entry: %cond = icmp slt i32 %a, %b %or.cond1 = select i1 %cond, i1 true, i1 %c1 %or.cond2 = select i1 %or.cond1, i1 true, i1 %c2 br i1 %or.cond2, label %if.true, label %if.false if.true: %cond2 = icmp slt i32 %a, %b %x = select i1 %cond2, i32 %a, i32 %b ret i32 %x if.false: %cond3 = icmp slt i32 %a, %b %y = select i1 %cond3, i32 %a, i32 %b ret i32 %y }