forked from OSchip/llvm-project
27 lines
995 B
LLVM
27 lines
995 B
LLVM
|
; RUN: opt < %s -simple-loop-unswitch -disable-output
|
||
|
|
; RUN: opt < %s -simple-loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -disable-output
|
||
|
|
; PR12887
|
||
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
@a = common global i32 0, align 4
|
||
|
|
@c = common global i32 0, align 4
|
||
|
|
@b = common global i32 0, align 4
|
||
|
|
|
||
|
|
define void @func() noreturn nounwind uwtable {
|
||
|
|
entry:
|
||
|
|
%0 = load i32, i32* @a, align 4
|
||
|
|
%tobool = icmp eq i32 %0, 0
|
||
|
|
%1 = load i32, i32* @b, align 4
|
||
|
|
br label %while.body
|
||
|
|
|
||
|
|
while.body: ; preds = %while.body, %entry
|
||
|
|
%d.0 = phi i8 [ undef, %entry ], [ %conv2, %while.body ]
|
||
|
|
%conv = sext i8 %d.0 to i32
|
||
|
|
%cond = select i1 %tobool, i32 0, i32 %conv
|
||
|
|
%conv11 = zext i8 %d.0 to i32
|
||
|
|
%add = add i32 %1, %conv11
|
||
|
|
%conv2 = trunc i32 %add to i8
|
||
|
|
br label %while.body
|
||
|
|
}
|