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; RUN: llc < %s | FileCheck %s
target triple = "armv6kz-unknown-unknown-gnueabihf"
; Make sure this doesn't crash, and we actually emit a tail call.
; Unfortunately, this test is sort of fragile... the original issue only
; shows up if scheduling happens in a very specific order. But including
; it anyway just to demonstrate the issue.
; CHECK: pop {r4, lr}
@e = external local_unnamed_addr constant [0 x i32 (i32, i32)*], align 4
; Function Attrs: nounwind sspstrong
define i32 @AVI_ChunkRead_p_chk(i32 %g) nounwind sspstrong "target-cpu"="arm1176jzf-s" {
entry:
%b = alloca i8, align 1
%tobool = icmp eq i32 %g, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
%add = add nsw i32 %g, 1
%arrayidx = getelementptr inbounds [0 x i32 (i32, i32)*], [0 x i32 (i32, i32)*]* @e, i32 0, i32 %add
%0 = load i32 (i32, i32)*, i32 (i32, i32)** %arrayidx, align 4
%call = tail call i32 %0(i32 0, i32 0) #3
br label %return
if.end: ; preds = %entry
call void @c(i8* nonnull %b)
br label %return
return: ; preds = %if.end, %if.then
%retval.0 = phi i32 [ %call, %if.then ], [ 0, %if.end ]
ret i32 %retval.0
}
declare void @c(i8*)
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