llvm-6502/test/CodeGen/ARM/ldrd.ll

25 lines
634 B
LLVM
Raw Normal View History

; RUN: llc < %s -mtriple=armv6-apple-darwin -regalloc=linearscan | FileCheck %s -check-prefix=V6
; RUN: llc < %s -mtriple=armv5-apple-darwin | FileCheck %s -check-prefix=V5
; RUN: llc < %s -mtriple=armv6-eabi | FileCheck %s -check-prefix=EABI
; rdar://r6949835
; Magic ARM pair hints works best with linearscan.
@b = external global i64*
define i64 @t(i64 %a) nounwind readonly {
entry:
;V6: ldrd r2, r3, [r2]
;V5: ldr r{{[0-9]+}}, [r2]
;V5: ldr r{{[0-9]+}}, [r2, #4]
;EABI: ldr r{{[0-9]+}}, [r2]
;EABI: ldr r{{[0-9]+}}, [r2, #4]
%0 = load i64** @b, align 4
%1 = load i64* %0, align 4
%2 = mul i64 %1, %a
ret i64 %2
}