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Recognize triplets starting with armv5-, armv6- etc. And set the ARM arch version accordingly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66365 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-03-08 04:02:49 +00:00
parent dfe964ce8c
commit 4b1747430a
2 changed files with 18 additions and 2 deletions
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18
lib/Target/ARM/ARMSubtarget.cpp
View File

@ -35,7 +35,23 @@ ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS, bool thumb)
// Set the boolean corresponding to the current target triple, or the default
// if one cannot be determined, to true.
const std::string& TT = M.getTargetTriple();
if (TT.length() > 5) {
unsigned Len = TT.length();
if (Len >= 5) {
if (TT.substr(0, 4) == "armv") {
unsigned SubVer = TT[4];
if (SubVer > '4' && SubVer <= '9') {
if (SubVer >= '6')
ARMArchVersion = V6;
else if (SubVer == '5') {
ARMArchVersion = V5T;
if (Len >= 7 && TT[5] == 't' && TT[6] == 'e')
ARMArchVersion = V5TE;
}
}
}
}
if (Len > 5) {
if (TT.find("-darwin") != std::string::npos)
TargetType = isDarwin;
} else if (TT.empty()) {

2
test/CodeGen/ARM/uxtb.ll
View File

@ -1,4 +1,4 @@
; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
; RUN: llvm-as < %s | llc -mtriple=armv6-apple-darwin | \
; RUN: grep uxt | count 10
define i32 @test1(i32 %x) {