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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --prefix-filecheck-ir-name pref --version 5
; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s
define i32 @foo.1(i32 %arg, ptr %arg1) {
; CHECK-LABEL: define i32 @foo.1(
; CHECK-SAME: i32 [[ARG:%.*]], ptr [[ARG1:%.*]]) {
; CHECK-NEXT: [[BB:.*]]:
; CHECK-NEXT: [[ALLOCA:%.*]] = alloca [2 x ptr], align 16
; CHECK-NEXT: store ptr blockaddress(@foo.1, %[[BB8:.*]]), ptr [[ALLOCA]], align 16
; CHECK-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr inbounds [2 x ptr], ptr [[ALLOCA]], i64 0, i64 1
; CHECK-NEXT: store ptr blockaddress(@foo.1, %[[BB16:.*]]), ptr [[GETELEMENTPTR]], align 8
; CHECK-NEXT: br label %[[PREFBB2:.*]]
; CHECK: [[PREFBB2]]:
; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ 0, %[[BB]] ], [ [[PHI14:%.*]], %[[BB13:.*]] ]
; CHECK-NEXT: [[PHI3:%.*]] = phi i32 [ 0, %[[BB]] ], [ [[PHI15:%.*]], %[[BB13]] ]
; CHECK-NEXT: switch i32 [[PHI]], label %[[BB13]] [
; CHECK-NEXT: i32 0, label %[[PREFBB18:.*]]
; CHECK-NEXT: i32 1, label %[[BB8]]
; CHECK-NEXT: i32 2, label %[[PREFBB11:.*]]
; CHECK-NEXT: ]
; CHECK: [[BB8]]:
; CHECK-NEXT: [[PHI10:%.*]] = phi i32 [ [[ARG]], %[[PREFBB18]] ], [ [[PHI3]], %[[PREFBB2]] ]
; CHECK-NEXT: br label %[[BB13]]
; CHECK: [[PREFBB11]]:
; CHECK-NEXT: [[CALL:%.*]] = call i32 @wombat(i32 noundef [[PHI3]])
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[PHI3]], 1
; CHECK-NEXT: br label %[[PREFBB18]]
; CHECK: [[BB13]]:
; CHECK-NEXT: [[PHI14]] = phi i32 [ [[PHI]], %[[PREFBB2]] ], [ 2, %[[BB8]] ]
; CHECK-NEXT: [[PHI15]] = phi i32 [ [[PHI3]], %[[PREFBB2]] ], [ [[PHI10]], %[[BB8]] ]
; CHECK-NEXT: br label %[[PREFBB2]]
; CHECK: [[BB16]]:
; CHECK-NEXT: [[CALL17:%.*]] = call i32 @wombat(i32 noundef [[ARG]])
; CHECK-NEXT: ret i32 0
; CHECK: [[PREFBB18]]:
; CHECK-NEXT: [[LOAD:%.*]] = load ptr, ptr [[ARG1]], align 8
; CHECK-NEXT: indirectbr ptr [[LOAD]], [label %[[BB8]], label %bb16]
;
bb:
%alloca = alloca [2 x ptr], align 16
store ptr blockaddress(@foo.1, %bb8), ptr %alloca, align 16
%getelementptr = getelementptr inbounds [2 x ptr], ptr %alloca, i64 0, i64 1
store ptr blockaddress(@foo.1, %bb16), ptr %getelementptr, align 8
br label %bb2
bb2: ; preds = %bb13, %bb
%phi = phi i32 [ 0, %bb ], [ %phi14, %bb13 ]
%phi3 = phi i32 [ 0, %bb ], [ %phi15, %bb13 ]
switch i32 %phi, label %bb13 [
i32 0, label %bb5
i32 1, label %bb8
i32 2, label %bb11
]
bb5: ; preds = %bb2
br label %bb18
bb8: ; preds = %bb18, %bb2
%phi10 = phi i32 [ %arg, %bb18 ], [ %phi3, %bb2 ]
br label %bb13
bb11: ; preds = %bb2
%call = call i32 @wombat(i32 noundef %phi3)
%add = add nsw i32 %phi3, 1
br label %bb18
bb13: ; preds = %bb8, %bb2
%phi14 = phi i32 [ %phi, %bb2 ], [ 2, %bb8 ]
%phi15 = phi i32 [ %phi3, %bb2 ], [ %phi10, %bb8 ]
br label %bb2
bb16: ; preds = %bb18
%call17 = call i32 @wombat(i32 noundef %arg)
ret i32 0
bb18: ; preds = %bb11, %bb5
%load = load ptr, ptr %arg1, align 8
indirectbr ptr %load, [label %bb8, label %bb16]
}
declare i32 @wombat(i32)
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