llvm/test/CodeGen/X86/fast-isel-bc.ll
Jakob Stoklund Olesen 700bfada63 Add a -regalloc=default option that chooses a register allocator based on the -O
optimization level.

This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 23:57:25 +00:00

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541 B
LLVM

; RUN: llc < %s -O0 -regalloc=linearscan -march=x86-64 -mattr=+mmx | FileCheck %s
; PR4684
target datalayout =
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-apple-darwin9.8"
declare void @func2(<1 x i64>)
define void @func1() nounwind {
; This isn't spectacular, but it's MMX code at -O0...
; CHECK: movl $2, %eax
; CHECK: movd %rax, %mm0
; CHECK: movd %mm0, %rdi
call void @func2(<1 x i64> <i64 2>)
ret void
}