mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
77 lines
2.1 KiB
LLVM
77 lines
2.1 KiB
LLVM
; RUN: opt -S < %s -loop-rotate -licm -verify-dom-info -verify-loop-info | FileCheck %s
|
|
; PR2624 unroll multiple exits
|
|
|
|
@mode_table = global [4 x i32] zeroinitializer ; <[4 x i32]*> [#uses=1]
|
|
|
|
; CHECK-LABEL: @f(
|
|
; CHECK-NOT: bb:
|
|
define i8 @f() {
|
|
entry:
|
|
tail call i32 @fegetround( ) ; <i32>:0 [#uses=1]
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb4, %entry
|
|
%mode.0 = phi i8 [ 0, %entry ], [ %indvar.next, %bb4 ] ; <i8> [#uses=4]
|
|
zext i8 %mode.0 to i32 ; <i32>:1 [#uses=1]
|
|
getelementptr [4 x i32], [4 x i32]* @mode_table, i32 0, i32 %1 ; <i32*>:2 [#uses=1]
|
|
load i32, i32* %2, align 4 ; <i32>:3 [#uses=1]
|
|
icmp eq i32 %3, %0 ; <i1>:4 [#uses=1]
|
|
br i1 %4, label %bb1, label %bb2
|
|
|
|
bb1: ; preds = %bb
|
|
ret i8 %mode.0
|
|
|
|
bb2: ; preds = %bb
|
|
icmp eq i8 %mode.0, 1 ; <i1>:5 [#uses=1]
|
|
br i1 %5, label %bb5, label %bb4
|
|
|
|
bb4: ; preds = %bb2
|
|
%indvar.next = add i8 %mode.0, 1 ; <i8> [#uses=1]
|
|
br label %bb
|
|
|
|
bb5: ; preds = %bb2
|
|
tail call void @raise_exception( ) noreturn
|
|
unreachable
|
|
}
|
|
|
|
declare i32 @fegetround()
|
|
|
|
declare void @raise_exception() noreturn
|
|
|
|
;CHECK: for.body.lr.ph:
|
|
;CHECK-NEXT: %arrayidx1 = getelementptr inbounds i8, i8* %CurPtr, i64 0
|
|
;CHECK-NEXT: %0 = load i8, i8* %arrayidx1, align 1
|
|
;CHECK-NEXT: %conv2 = sext i8 %0 to i32
|
|
;CHECK-NEXT: br label %for.body
|
|
|
|
define i32 @foo(i8* %CurPtr, i32 %a) #0 {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %for.inc, %entry
|
|
%i.0 = phi i32 [ 1, %entry ], [ %inc, %for.inc ]
|
|
%cmp = icmp ne i32 %i.0, %a
|
|
br i1 %cmp, label %for.body, label %return
|
|
|
|
for.body: ; preds = %for.cond
|
|
%idxprom = zext i32 %i.0 to i64
|
|
%arrayidx = getelementptr inbounds i8, i8* %CurPtr, i64 %idxprom
|
|
%0 = load i8, i8* %arrayidx, align 1
|
|
%conv = sext i8 %0 to i32
|
|
%arrayidx1 = getelementptr inbounds i8, i8* %CurPtr, i64 0
|
|
%1 = load i8, i8* %arrayidx1, align 1
|
|
%conv2 = sext i8 %1 to i32
|
|
%cmp3 = icmp ne i32 %conv, %conv2
|
|
br i1 %cmp3, label %return, label %for.inc
|
|
|
|
for.inc: ; preds = %for.body
|
|
%inc = add i32 %i.0, 1
|
|
br label %for.cond
|
|
|
|
return: ; preds = %for.cond, %for.body
|
|
%retval.0 = phi i32 [ 0, %for.body ], [ 1, %for.cond ]
|
|
ret i32 %retval.0
|
|
}
|
|
|
|
attributes #0 = { nounwind uwtable }
|