2014-05-24 12:50:23 +00:00
|
|
|
; RUN: llc -mtriple=arm64-apple-ios -O2 -aarch64-collect-loh -aarch64-collect-loh-bb-only=false < %s -o - | FileCheck %s
|
|
|
|
|
; RUN: llc -mtriple=arm64-linux-gnu -O2 -aarch64-collect-loh -aarch64-collect-loh-bb-only=false < %s -o - | FileCheck %s --check-prefix=CHECK-ELF
|
2014-04-18 14:54:46 +00:00
|
|
|
|
|
|
|
|
; CHECK-ELF-NOT: .loh
|
|
|
|
|
; CHECK-ELF-NOT: AdrpAdrp
|
|
|
|
|
; CHECK-ELF-NOT: AdrpAdd
|
|
|
|
|
; CHECK-ELF-NOT: AdrpLdrGot
|
2014-03-29 10:18:08 +00:00
|
|
|
|
|
|
|
|
@a = internal unnamed_addr global i32 0, align 4
|
|
|
|
|
@b = external global i32
|
|
|
|
|
|
|
|
|
|
; Function Attrs: noinline nounwind ssp
|
|
|
|
|
define void @foo(i32 %t) {
|
|
|
|
|
entry:
|
|
|
|
|
%tmp = load i32* @a, align 4
|
|
|
|
|
%add = add nsw i32 %tmp, %t
|
|
|
|
|
store i32 %add, i32* @a, align 4
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; Function Attrs: nounwind ssp
|
|
|
|
|
; Testcase for <rdar://problem/15438605>, AdrpAdrp reuse is valid only when the first adrp
|
|
|
|
|
; dominates the second.
|
|
|
|
|
; The first adrp comes from the loading of 'a' and the second the loading of 'b'.
|
|
|
|
|
; 'a' is loaded in if.then, 'b' in if.end4, if.then does not dominates if.end4.
|
|
|
|
|
; CHECK-LABEL: _test
|
|
|
|
|
; CHECK: ret
|
|
|
|
|
; CHECK-NOT: .loh AdrpAdrp
|
|
|
|
|
define i32 @test(i32 %t) {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp = icmp sgt i32 %t, 5
|
|
|
|
|
br i1 %cmp, label %if.then, label %if.end4
|
|
|
|
|
|
|
|
|
|
if.then: ; preds = %entry
|
|
|
|
|
%tmp = load i32* @a, align 4
|
|
|
|
|
%add = add nsw i32 %tmp, %t
|
|
|
|
|
%cmp1 = icmp sgt i32 %add, 12
|
|
|
|
|
br i1 %cmp1, label %if.then2, label %if.end4
|
|
|
|
|
|
|
|
|
|
if.then2: ; preds = %if.then
|
|
|
|
|
tail call void @foo(i32 %add)
|
|
|
|
|
%tmp1 = load i32* @a, align 4
|
|
|
|
|
br label %if.end4
|
|
|
|
|
|
|
|
|
|
if.end4: ; preds = %if.then2, %if.then, %entry
|
|
|
|
|
%t.addr.0 = phi i32 [ %tmp1, %if.then2 ], [ %t, %if.then ], [ %t, %entry ]
|
|
|
|
|
%tmp2 = load i32* @b, align 4
|
|
|
|
|
%add5 = add nsw i32 %tmp2, %t.addr.0
|
|
|
|
|
tail call void @foo(i32 %add5)
|
|
|
|
|
%tmp3 = load i32* @b, align 4
|
|
|
|
|
%add6 = add nsw i32 %tmp3, %t.addr.0
|
|
|
|
|
ret i32 %add6
|
|
|
|
|
}
|
