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llvm-mirror/test/CodeGen/X86/tail-dup-addr.ll
Rafael Espindola 19a13321f8 Don't print a label before .cfi_startproc when we don't need to. This makes
the produce assembly when using CFI just a bit more readable.

llvm-svn: 147743
2012-01-07 22:42:19 +00:00

29 lines
980 B
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
; Test that we don't drop a block that has its address taken.
; CHECK: Ltmp0: ## Block address taken
; CHECK: Ltmp1: ## Block address taken
@a = common global i32 0, align 4
@p = common global i8* null, align 8
define void @foo() noreturn nounwind uwtable ssp {
entry:
%tmp = load i32* @a, align 4
%foo = icmp eq i32 0, %tmp
br i1 %foo, label %sw.bb, label %sw.default
sw.bb: ; preds = %entry
store i8* blockaddress(@foo, %sw.bb1), i8** @p, align 8
br label %sw.bb1
sw.bb1: ; preds = %sw.default, %sw.bb, %entry
store i8* blockaddress(@foo, %sw.default), i8** @p, align 8
br label %sw.default
sw.default: ; preds = %sw.bb1, %entry
store i8* blockaddress(@foo, %sw.bb1), i8** @p, align 8
br label %sw.bb1
}