1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes='licm' < %s | FileCheck %s 3 4define void @test_01(ptr addrspace(1) %arg, i32 %arg2) { 5; CHECK-LABEL: @test_01( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: [[TMP103:%.*]] = load atomic ptr addrspace(1), ptr addrspace(1) [[ARG:%.*]] unordered, align 8, !dereferenceable_or_null !0, !align !1 8; CHECK-NEXT: [[TMP117:%.*]] = icmp eq ptr addrspace(1) [[TMP103]], null 9; CHECK-NEXT: [[TMP118:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[TMP103]], i64 8 10; CHECK-NEXT: br i1 [[TMP117]], label [[FAIL:%.*]], label [[PREHEADER:%.*]] 11; CHECK: fail: 12; CHECK-NEXT: ret void 13; CHECK: preheader: 14; CHECK-NEXT: [[TMP157:%.*]] = load atomic i32, ptr addrspace(1) [[TMP118]] unordered, align 8 15; CHECK-NEXT: br label [[LOOP:%.*]] 16; CHECK: loop: 17; CHECK-NEXT: [[TMP151:%.*]] = phi i32 [ 0, [[PREHEADER]] ], [ [[TMP163:%.*]], [[LOOP]] ] 18; CHECK-NEXT: [[TMP152:%.*]] = icmp ult i32 [[TMP151]], [[ARG2:%.*]] 19; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP152]]) [ "deopt"() ] 20; CHECK-NEXT: [[TMP158:%.*]] = icmp ult i32 [[TMP151]], [[TMP157]] 21; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP158]]) [ "deopt"() ] 22; CHECK-NEXT: [[TMP163]] = add i32 [[TMP151]], 1 23; CHECK-NEXT: br label [[LOOP]] 24; 25entry: 26 %tmp103 = load atomic ptr addrspace(1), ptr addrspace(1) %arg unordered, align 8, !dereferenceable_or_null !0, !align !1 27 %tmp117 = icmp eq ptr addrspace(1) %tmp103, null 28 %tmp118 = getelementptr inbounds i8, ptr addrspace(1) %tmp103, i64 8 29 br i1 %tmp117, label %fail, label %preheader 30 31fail: ; preds = %entry 32 ret void 33 34preheader: ; preds = %entry 35 br label %loop 36 37loop: ; preds = %loop, %preheader 38 %tmp151 = phi i32 [ 0, %preheader ], [ %tmp163, %loop ] 39 %tmp152 = icmp ult i32 %tmp151, %arg2 40 call void (i1, ...) @llvm.experimental.guard(i1 %tmp152) [ "deopt"() ] 41 %tmp157 = load atomic i32, ptr addrspace(1) %tmp118 unordered, align 8 42 %tmp158 = icmp ult i32 %tmp151, %tmp157 43 call void (i1, ...) @llvm.experimental.guard(i1 %tmp158) [ "deopt"() ] 44 %tmp163 = add i32 %tmp151, 1 45 br label %loop 46} 47 48; FIXME: should be able to hoist load just as test_01 49define void @test_02(ptr addrspace(1) %arg, i32 %arg2) { 50; CHECK-LABEL: @test_02( 51; CHECK-NEXT: entry: 52; CHECK-NEXT: [[TMP103:%.*]] = load atomic ptr addrspace(1), ptr addrspace(1) [[ARG:%.*]] unordered, align 8, !dereferenceable_or_null !0, !align !1 53; CHECK-NEXT: [[TMP117:%.*]] = icmp eq ptr addrspace(1) [[TMP103]], null 54; CHECK-NEXT: [[TMP118:%.*]] = getelementptr inbounds i8, ptr addrspace(1) [[TMP103]], i64 8 55; CHECK-NEXT: [[FREEZE:%.*]] = freeze i1 [[TMP117]] 56; CHECK-NEXT: br i1 [[FREEZE]], label [[FAIL:%.*]], label [[PREHEADER:%.*]] 57; CHECK: fail: 58; CHECK-NEXT: ret void 59; CHECK: preheader: 60; CHECK-NEXT: br label [[LOOP:%.*]] 61; CHECK: loop: 62; CHECK-NEXT: [[TMP151:%.*]] = phi i32 [ 0, [[PREHEADER]] ], [ [[TMP163:%.*]], [[LOOP]] ] 63; CHECK-NEXT: [[TMP152:%.*]] = icmp ult i32 [[TMP151]], [[ARG2:%.*]] 64; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP152]]) [ "deopt"() ] 65; CHECK-NEXT: [[TMP157:%.*]] = load atomic i32, ptr addrspace(1) [[TMP118]] unordered, align 8 66; CHECK-NEXT: [[TMP158:%.*]] = icmp ult i32 [[TMP151]], [[TMP157]] 67; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP158]]) [ "deopt"() ] 68; CHECK-NEXT: [[TMP163]] = add i32 [[TMP151]], 1 69; CHECK-NEXT: br label [[LOOP]] 70; 71entry: 72 %tmp103 = load atomic ptr addrspace(1), ptr addrspace(1) %arg unordered, align 8, !dereferenceable_or_null !0, !align !1 73 %tmp117 = icmp eq ptr addrspace(1) %tmp103, null 74 %tmp118 = getelementptr inbounds i8, ptr addrspace(1) %tmp103, i64 8 75 %freeze = freeze i1 %tmp117 76 br i1 %freeze, label %fail, label %preheader 77 78fail: ; preds = %entry 79 ret void 80 81preheader: ; preds = %entry 82 br label %loop 83 84loop: ; preds = %loop, %preheader 85 %tmp151 = phi i32 [ 0, %preheader ], [ %tmp163, %loop ] 86 %tmp152 = icmp ult i32 %tmp151, %arg2 87 call void (i1, ...) @llvm.experimental.guard(i1 %tmp152) [ "deopt"() ] 88 %tmp157 = load atomic i32, ptr addrspace(1) %tmp118 unordered, align 8 89 %tmp158 = icmp ult i32 %tmp151, %tmp157 90 call void (i1, ...) @llvm.experimental.guard(i1 %tmp158) [ "deopt"() ] 91 %tmp163 = add i32 %tmp151, 1 92 br label %loop 93} 94 95; Function Attrs: nocallback nofree nosync willreturn 96declare void @llvm.experimental.guard(i1, ...) #0 97 98attributes #0 = { nocallback nofree nosync willreturn } 99 100!0 = !{i64 16} 101!1 = !{i64 8} 102