llvm/test/CodeGen/X86/memset-2.ll
Chris Lattner b85e4eba85 rip out a ton of intrinsic modernization logic from AutoUpgrade.cpp, which is
for pre-2.9 bitcode files.  We keep x86 unaligned loads, movnt, crc32, and the
target indep prefetch change.

As usual, updating the testsuite is a PITA.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18 06:05:24 +00:00

40 lines
975 B
LLVM

; RUN: llc -mtriple=i386-apple-darwin -mcpu=yonah < %s | FileCheck %s
declare void @llvm.memset.i32(i8*, i8, i32, i32) nounwind
define fastcc void @t1() nounwind {
entry:
; CHECK: t1:
; CHECK: calll _memset
call void @llvm.memset.p0i8.i32(i8* null, i8 0, i32 188, i32 1, i1 false)
unreachable
}
define fastcc void @t2(i8 signext %c) nounwind {
entry:
; CHECK: t2:
; CHECK: calll _memset
call void @llvm.memset.p0i8.i32(i8* undef, i8 %c, i32 76, i32 1, i1 false)
unreachable
}
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
define void @t3(i8* nocapture %s, i8 %a) nounwind {
entry:
tail call void @llvm.memset.p0i8.i32(i8* %s, i8 %a, i32 8, i32 1, i1 false)
ret void
; CHECK: t3:
; CHECK: imull $16843009
}
define void @t4(i8* nocapture %s, i8 %a) nounwind {
entry:
tail call void @llvm.memset.p0i8.i32(i8* %s, i8 %a, i32 15, i32 1, i1 false)
ret void
; CHECK: t4:
; CHECK: imull $16843009
; CHECK-NOT: imul
; CHECK: ret
}