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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
;RUN: opt -passes=mem2reg -S < %s | FileCheck %s
declare i1 @cond()
define i32 @foo() {
; CHECK-LABEL: @foo(
; CHECK-NEXT: Entry:
; CHECK-NEXT: [[C1:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C1]], label [[STORE1:%.*]], label [[STORE2:%.*]]
; CHECK: Block1:
; CHECK-NEXT: br label [[JOIN:%.*]]
; CHECK: Block2:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block3:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block4:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block5:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Store1:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block6:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block7:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block8:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block9:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block10:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Store2:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block11:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block12:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block13:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block14:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block15:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Block16:
; CHECK-NEXT: br label [[JOIN]]
; CHECK: Join:
; CHECK-NEXT: [[VAL_0:%.*]] = phi i32 [ 1, [[STORE1]] ], [ 2, [[STORE2]] ], [ undef, [[BLOCK1:%.*]] ], [ undef, [[BLOCK2:%.*]] ], [ undef, [[BLOCK3:%.*]] ], [ undef, [[BLOCK4:%.*]] ], [ undef, [[BLOCK5:%.*]] ], [ undef, [[BLOCK6:%.*]] ], [ undef, [[BLOCK7:%.*]] ], [ undef, [[BLOCK8:%.*]] ], [ undef, [[BLOCK9:%.*]] ], [ undef, [[BLOCK10:%.*]] ], [ undef, [[BLOCK11:%.*]] ], [ undef, [[BLOCK12:%.*]] ], [ undef, [[BLOCK13:%.*]] ], [ undef, [[BLOCK14:%.*]] ], [ undef, [[BLOCK15:%.*]] ], [ undef, [[BLOCK16:%.*]] ]
; CHECK-NEXT: ret i32 [[VAL_0]]
;
Entry:
%val = alloca i32
%c1 = call i1 @cond()
br i1 %c1, label %Store1, label %Store2
Block1:
br label %Join
Block2:
br label %Join
Block3:
br label %Join
Block4:
br label %Join
Block5:
br label %Join
Store1:
store i32 1, ptr %val
br label %Join
Block6:
br label %Join
Block7:
br label %Join
Block8:
br label %Join
Block9:
br label %Join
Block10:
br label %Join
Store2:
store i32 2, ptr %val
br label %Join
Block11:
br label %Join
Block12:
br label %Join
Block13:
br label %Join
Block14:
br label %Join
Block15:
br label %Join
Block16:
br label %Join
Join:
; Phi inserted here should have operands appended deterministically
%result = load i32, ptr %val
ret i32 %result
}
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