| ; REQUIRES: asserts |
| ; RUN: opt -mcpu=z13 -S -loop-simplifycfg -enable-loop-simplifycfg-term-folding -verify-memoryssa 2>&1 < %s | FileCheck %s |
| target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64" |
| |
| @global = external dso_local local_unnamed_addr global i8, align 2 |
| @global.1 = external dso_local local_unnamed_addr global i32, align 4 |
| @global.2 = external dso_local local_unnamed_addr global i32, align 4 |
| @global.3 = external dso_local local_unnamed_addr global i16, align 2 |
| @global.4 = external dso_local local_unnamed_addr global i32, align 4 |
| |
| ; CHECK-LABEL: @test_01( |
| |
| define internal fastcc void @test_01() unnamed_addr { |
| bb: |
| %tmp = load i32, i32* @global.2, align 4 |
| %tmp1 = icmp eq i32 %tmp, 0 |
| br i1 %tmp1, label %bb3, label %bb2 |
| |
| bb2: ; preds = %bb |
| br label %bb7 |
| |
| bb3: ; preds = %bb |
| br label %bb4 |
| |
| bb4: ; preds = %bb6, %bb3 |
| br i1 true, label %bb5, label %bb6 |
| |
| bb5: ; preds = %bb4 |
| store i16 0, i16* @global.3, align 2 |
| br label %bb6 |
| |
| bb6: ; preds = %bb5, %bb4 |
| br label %bb4 |
| |
| bb7: ; preds = %bb7, %bb2 |
| %tmp8 = phi i32 [ 1, %bb7 ], [ 0, %bb2 ] |
| %tmp9 = icmp eq i32 %tmp8, 0 |
| br i1 %tmp9, label %bb7, label %bb10 |
| |
| bb10: ; preds = %bb7 |
| br label %bb11 |
| |
| bb11: ; preds = %bb13, %bb10 |
| %tmp12 = icmp ult i32 %tmp, 6 |
| br i1 %tmp12, label %bb13, label %bb14 |
| |
| bb13: ; preds = %bb11 |
| store i32 0, i32* @global.1, align 4 |
| br label %bb11 |
| |
| bb14: ; preds = %bb11 |
| ret void |
| } |
| |
| @global.5 = external dso_local local_unnamed_addr global i16, align 2 |
| |
| declare dso_local void @spam() local_unnamed_addr |
| |
| declare dso_local void @blam() local_unnamed_addr |
| |
| declare dso_local i64 @quux.1() local_unnamed_addr |
| |
| declare dso_local void @bar() local_unnamed_addr |
| |
| ; CHECK-LABEL: @test_02( |
| |
| define dso_local void @test_02(i8 signext %arg) local_unnamed_addr { |
| bb: |
| br label %bb1 |
| |
| bb1: ; preds = %bb16, %bb |
| %tmp = phi i8 [ %arg, %bb ], [ %tmp17, %bb16 ] |
| %tmp2 = load i16, i16* @global.5, align 2 |
| %tmp3 = icmp ugt i16 %tmp2, 56 |
| br i1 %tmp3, label %bb4, label %bb18 |
| |
| bb4: ; preds = %bb1 |
| %tmp5 = tail call i64 @quux.1() |
| %tmp6 = icmp eq i64 %tmp5, 0 |
| br i1 %tmp6, label %bb13, label %bb7 |
| |
| bb7: ; preds = %bb4 |
| br label %bb8 |
| |
| bb8: ; preds = %bb8, %bb7 |
| %tmp9 = phi i32 [ 26, %bb7 ], [ %tmp10, %bb8 ] |
| tail call void @bar() |
| %tmp10 = add nsw i32 %tmp9, -1 |
| %tmp11 = icmp eq i32 %tmp10, 12 |
| br i1 %tmp11, label %bb12, label %bb8 |
| |
| bb12: ; preds = %bb8 |
| br i1 false, label %bb14, label %bb16 |
| |
| bb13: ; preds = %bb4 |
| tail call void @spam() |
| br label %bb14 |
| |
| bb14: ; preds = %bb13, %bb12 |
| %tmp15 = phi i8 [ -23, %bb12 ], [ %tmp, %bb13 ] |
| tail call void @blam() |
| br label %bb16 |
| |
| bb16: ; preds = %bb14, %bb12 |
| %tmp17 = phi i8 [ %tmp15, %bb14 ], [ -23, %bb12 ] |
| br label %bb1 |
| |
| bb18: ; preds = %bb1 |
| ret void |
| } |