35 lines
1.2 KiB
LLVM
35 lines
1.2 KiB
LLVM
|
; RUN: opt -S -indvars -loop-unswitch -enable-new-pm=0 < %s | FileCheck %s
|
||
|
|
; RUN: opt -S -indvars -loop-unswitch -enable-new-pm=0 -enable-mssa-loop-dependency=true -verify-memoryssa < %s | FileCheck %s
|
||
|
|
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define void @test_01() {
|
||
|
|
|
||
|
|
; Make sure we don't fail by SCEV's assertion due to incorrect invalidation.
|
||
|
|
; CHECK-LABEL: @test_01
|
||
|
|
|
||
|
|
entry:
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop: ; preds = %backedge, %entry
|
||
|
|
%p_50.addr.0 = phi i16 [ undef, %entry ], [ %add2699, %backedge ]
|
||
|
|
%idxprom2690 = sext i16 %p_50.addr.0 to i32
|
||
|
|
%arrayidx2691 = getelementptr inbounds [5 x i32], [5 x i32]* undef, i32 0, i32 %idxprom2690
|
||
|
|
%0 = load i32, i32* %arrayidx2691, align 1
|
||
|
|
%tobool2692 = icmp ne i32 %0, 0
|
||
|
|
br label %inner_loop
|
||
|
|
|
||
|
|
inner_loop: ; preds = %inner_backedge, %loop
|
||
|
|
br i1 %tobool2692, label %backedge, label %inner_backedge
|
||
|
|
|
||
|
|
inner_backedge: ; preds = %inner_loop
|
||
|
|
br label %inner_loop
|
||
|
|
|
||
|
|
backedge: ; preds = %inner_loop
|
||
|
|
%add2699 = add nsw i16 %p_50.addr.0, 1
|
||
|
|
br i1 false, label %loop, label %exit
|
||
|
|
|
||
|
|
exit: ; preds = %backedge
|
||
|
|
unreachable
|
||
|
|
}
|