| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S < %s -aa-pipeline=basic-aa -passes='require<loops>,jump-threading' | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @global = external global i8* |
| |
| define i32 @wibble() { |
| ; CHECK-LABEL: @wibble( |
| ; CHECK-NEXT: bb19: |
| ; CHECK-NEXT: [[TMP20:%.*]] = getelementptr i8, i8* undef, i64 16 |
| ; CHECK-NEXT: [[TMP21:%.*]] = load atomic i8*, i8** @global unordered, align 8 |
| ; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i8, i8* [[TMP21]], i64 936 |
| ; CHECK-NEXT: br label [[BB3:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: br label [[BB3]] |
| ; CHECK: bb3: |
| ; CHECK-NEXT: [[TMP:%.*]] = phi i8* [ [[TMP22]], [[BB19:%.*]] ], [ undef, [[BB2:%.*]] ] |
| ; CHECK-NEXT: [[TMP4:%.*]] = phi i8* [ [[TMP21]], [[BB19]] ], [ undef, [[BB2]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8* [[TMP]] to i64* |
| ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i64 848 |
| ; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[TMP6]] to i8** |
| ; CHECK-NEXT: br label [[BB11:%.*]] |
| ; CHECK: bb11: |
| ; CHECK-NEXT: [[TMP12:%.*]] = load atomic i8*, i8** [[TMP7]] unordered, align 8 |
| ; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i8* [[TMP12]], null |
| ; CHECK-NEXT: br i1 [[TMP13]], label [[BB17:%.*]], label [[BB16:%.*]] |
| ; CHECK: bb16: |
| ; CHECK-NEXT: store atomic i64 undef, i64* [[TMP5]] unordered, align 8 |
| ; CHECK-NEXT: br label [[BB11]] |
| ; CHECK: bb17: |
| ; CHECK-NEXT: ret i32 undef |
| ; |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb |
| br label %bb18 |
| |
| bb2: ; No predecessors! |
| br label %bb3 |
| |
| bb3: ; preds = %bb19, %bb2 |
| %tmp = phi i8* [ %tmp22, %bb19 ], [ undef, %bb2 ] |
| %tmp4 = phi i8* [ %tmp21, %bb19 ], [ undef, %bb2 ] |
| %tmp5 = bitcast i8* %tmp to i64* |
| %tmp6 = getelementptr inbounds i8, i8* %tmp4, i64 848 |
| %tmp7 = bitcast i8* %tmp6 to i8** |
| br label %bb11 |
| |
| bb11: ; preds = %bb16, %bb3 |
| %tmp12 = load atomic i8*, i8** %tmp7 unordered, align 8 |
| %tmp13 = icmp eq i8* %tmp12, null |
| br i1 %tmp13, label %bb17, label %bb14 |
| |
| bb14: ; preds = %bb11 |
| br label %bb15 |
| |
| bb15: ; preds = %bb14 |
| br label %bb16 |
| |
| bb16: ; preds = %bb15 |
| store atomic i64 undef, i64* %tmp5 unordered, align 8 |
| br label %bb11 |
| |
| bb17: ; preds = %bb11 |
| ret i32 undef |
| |
| bb18: ; preds = %bb1 |
| br label %bb19 |
| |
| bb19: ; preds = %bb18 |
| %tmp20 = getelementptr i8, i8* undef, i64 16 |
| %tmp21 = load atomic i8*, i8** @global unordered, align 8 |
| %tmp22 = getelementptr inbounds i8, i8* %tmp21, i64 936 |
| br label %bb3 |
| } |
| |
| define void @zot(i8* align 8 dereferenceable_or_null(16) %arg, i32 %arg1) { |
| ; CHECK-LABEL: @zot( |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: ret void |
| ; |
| bb: |
| ret void |
| } |
