54 lines
1.2 KiB
LLVM
54 lines
1.2 KiB
LLVM
;RUN: opt -mem2reg -S < %s | FileCheck %s
|
|
|
|
declare i1 @cond()
|
|
|
|
define i32 @foo() {
|
|
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, i32* %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, i32* %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
|
|
; CHECK: %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 ]
|
|
%result = load i32, i32* %val
|
|
ret i32 %result
|
|
}
|