llvm-6502/test/CodeGen/ARM/fast-isel.ll
2010-08-25 07:57:29 +00:00

40 lines
915 B
LLVM

; RUN: llc < %s -O0 -arm-fast-isel -fast-isel-abort -mtriple=armv7-apple-darwin
; RUN: llc < %s -O0 -arm-fast-isel -fast-isel-abort -mtriple=thumbv7-apple-darwin
; Very basic fast-isel functionality.
define i32 @add(i32 %a, i32 %b) nounwind ssp {
entry:
%a.addr = alloca i32, align 4
%b.addr = alloca i32, align 4
store i32 %a, i32* %a.addr
store i32 %b, i32* %b.addr
%tmp = load i32* %a.addr
%tmp1 = load i32* %b.addr
%add = add nsw i32 %tmp, %tmp1
ret i32 %add
}
define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
entry:
%r = load i32* %p
%s = load i32* %q
%y = load i32** %z
br label %fast
fast:
%t0 = add i32 %r, %s
%t1 = mul i32 %t0, %s
%t2 = sub i32 %t1, %s
%t3 = and i32 %t2, %s
%t4 = xor i32 %t3, 3
%t5 = xor i32 %t4, %s
%t6 = add i32 %t5, 2
%t7 = getelementptr i32* %y, i32 1
%t8 = getelementptr i32* %t7, i32 %t6
br label %exit
exit:
ret i32* %t8
}