thumb2-ldrd.ll
285 Bytes
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s
@b = external global i64*
define i64 @t(i64 %a) nounwind readonly {
entry:
; CHECK: ldrd
; CHECK: umull
%0 = load i64*, i64** @b, align 4
%1 = load i64, i64* %0, align 4
%2 = mul i64 %1, %a
ret i64 %2
}