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| ; PR35221. Test that external global address is not reloaded from GOT in each BB.
; RUN: llc < %s -mtriple=armv7-linux-gnueabi -relocation-model=pic | FileCheck %s -check-prefix=LINUX-PIC
@x = external global i8, align 1
define signext i8 @foo() {
entry:
; LINUX-PIC: ldr r[[A:.]], .LCPI0_0
; LINUX-PIC: ldr r[[B:.]], [pc, r[[A]]]
; LINUX-PIC: ldrb r{{.}}, [r[[B]]]
%0 = load i8, i8* @x
%tobool = icmp eq i8 %0, 0
br i1 %tobool, label %bb1, label %bb2
bb1:
call void @bar()
; No more pc-relative loads! Reuse r[[B]].
; LINUX-PIC: bl bar
; LINUX-PIC-NOT: ldr{{.*}}[pc,
; LINUX-PIC: ldrsb r{{.}}, [r[[B]]]
%1 = load i8, i8* @x
ret i8 %1
bb2:
ret i8 0
}
declare void @bar()
|