; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=instcombine -S < %s | FileCheck %s define i64 @test_or(i64 %a) { ; CHECK-LABEL: @test_or( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP0:%.*]] = or i64 [[A:%.*]], 15 ; CHECK-NEXT: tail call void @use(i64 [[TMP0]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %iv.next = or i64 %iv, 15 tail call void @use(i64 %iv.next) br label %loop } define i64 @test_or2(i64 %a, i64 %b) { ; CHECK-LABEL: @test_or2( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP0:%.*]] = or i64 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: tail call void @use(i64 [[TMP0]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %iv.next = or i64 %iv, %b tail call void @use(i64 %iv.next) br label %loop } define i64 @test_or3(i64 %a, i64 %b) { ; CHECK-LABEL: @test_or3( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP0:%.*]] = or i64 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: tail call void @use(i64 [[TMP0]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %iv.next = or i64 %b, %iv tail call void @use(i64 %iv.next) br label %loop } define i64 @test_or4(i64 %a, i64* %p) { ; CHECK-LABEL: @test_or4( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[A:%.*]], [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[STEP:%.*]] = load volatile i64, i64* [[P:%.*]], align 4 ; CHECK-NEXT: [[IV_NEXT]] = or i64 [[IV]], [[STEP]] ; CHECK-NEXT: tail call void @use(i64 [[IV_NEXT]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %step = load volatile i64, i64* %p %iv.next = or i64 %iv, %step tail call void @use(i64 %iv.next) br label %loop } define i64 @test_and(i64 %a) { ; CHECK-LABEL: @test_and( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP0:%.*]] = and i64 [[A:%.*]], 15 ; CHECK-NEXT: tail call void @use(i64 [[TMP0]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %iv.next = and i64 %iv, 15 tail call void @use(i64 %iv.next) br label %loop } define i64 @test_and2(i64 %a, i64 %b) { ; CHECK-LABEL: @test_and2( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP0:%.*]] = and i64 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: tail call void @use(i64 [[TMP0]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %iv.next = and i64 %iv, %b tail call void @use(i64 %iv.next) br label %loop } define i64 @test_and3(i64 %a, i64 %b) { ; CHECK-LABEL: @test_and3( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP0:%.*]] = and i64 [[A:%.*]], [[B:%.*]] ; CHECK-NEXT: tail call void @use(i64 [[TMP0]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %iv.next = and i64 %b, %iv tail call void @use(i64 %iv.next) br label %loop } define i64 @test_and4(i64 %a, i64* %p) { ; CHECK-LABEL: @test_and4( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[A:%.*]], [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[STEP:%.*]] = load volatile i64, i64* [[P:%.*]], align 4 ; CHECK-NEXT: [[IV_NEXT]] = and i64 [[IV]], [[STEP]] ; CHECK-NEXT: tail call void @use(i64 [[IV_NEXT]]) ; CHECK-NEXT: br label [[LOOP]] ; entry: br label %loop loop: ; preds = %loop, %entry %iv = phi i64 [ %a, %entry ], [ %iv.next, %loop ] %step = load volatile i64, i64* %p %iv.next = and i64 %iv, %step tail call void @use(i64 %iv.next) br label %loop } declare void @use(i64)