
Test updates were performed using: https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34 These are only the test updates where the test passed without further modification (which is almost all of them, as the backend is largely pointer-type agnostic).
29 lines
981 B
LLVM
29 lines
981 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 ptr null, align 8
|
|
|
|
define void @foo() noreturn nounwind uwtable ssp {
|
|
entry:
|
|
%tmp = load i32, ptr @a, align 4
|
|
%foo = icmp eq i32 0, %tmp
|
|
br i1 %foo, label %sw.bb, label %sw.default
|
|
|
|
sw.bb: ; preds = %entry
|
|
store ptr blockaddress(@foo, %sw.bb1), ptr @p, align 8
|
|
br label %sw.bb1
|
|
|
|
sw.bb1: ; preds = %sw.default, %sw.bb, %entry
|
|
store ptr blockaddress(@foo, %sw.default), ptr @p, align 8
|
|
br label %sw.default
|
|
|
|
sw.default: ; preds = %sw.bb1, %entry
|
|
store ptr blockaddress(@foo, %sw.bb1), ptr @p, align 8
|
|
br label %sw.bb1
|
|
}
|