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1; RUN: llc < %s | FileCheck %s2target triple = "armv6kz-unknown-unknown-gnueabihf"3 4; Make sure this doesn't crash, and we actually emit a tail call.5; Unfortunately, this test is sort of fragile... the original issue only6; shows up if scheduling happens in a very specific order. But including7; it anyway just to demonstrate the issue.8; CHECK: pop {r{{[0-9]+}}, lr}9 10@e = external local_unnamed_addr constant [0 x ptr], align 411 12; Function Attrs: nounwind sspstrong13define i32 @AVI_ChunkRead_p_chk(i32 %g) nounwind sspstrong "target-cpu"="arm1176jzf-s" {14entry:15 %b = alloca i8, align 116 %tobool = icmp eq i32 %g, 017 br i1 %tobool, label %if.end, label %if.then18 19if.then: ; preds = %entry20 %add = add nsw i32 %g, 121 %arrayidx = getelementptr inbounds [0 x ptr], ptr @e, i32 0, i32 %add22 %0 = load ptr, ptr %arrayidx, align 423 %call = tail call i32 %0(i32 0, i32 0) #324 br label %return25 26if.end: ; preds = %entry27 call void @c(ptr nonnull %b)28 br label %return29 30return: ; preds = %if.end, %if.then31 %retval.0 = phi i32 [ %call, %if.then ], [ 0, %if.end ]32 ret i32 %retval.033}34 35declare void @c(ptr)36