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Add 8 bit libcalls and make use of them for msp430

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86384 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2009-11-07 17:14:39 +00:00
parent 8046ef4379
commit 8983da729a
5 changed files with 68 additions and 10 deletions
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22
test/CodeGen/MSP430/2009-11-05-8BitLibcalls.ll Normal file
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@@ -0,0 +1,22 @@
; RUN: llc < %s | FileCheck %s
target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
target triple = "msp430-elf"
@g_29 = common global i8 0, align 1 ; <i8*> [#uses=0]
define signext i8 @foo(i8 signext %_si1, i8 signext %_si2) nounwind readnone {
entry:
; CHECK: foo:
; CHECK: call #__mulqi3
%mul = mul i8 %_si2, %_si1 ; <i8> [#uses=1]
ret i8 %mul
}
define void @uint81(i16* nocapture %p_32) nounwind {
entry:
%call = tail call i16 @bar(i8* bitcast (i8 (i8, i8)* @foo to i8*)) nounwind ; <i16> [#uses=0]
ret void
}
declare i16 @bar(i8*)