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Make opt grab the triple from the module and use it to initialize the target machine.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171341 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2013-01-01 08:00:32 +00:00
parent 117e4d2e19
commit b338d897f9
3 changed files with 10 additions and 13 deletions
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5
test/Analysis/CostModel/no_info.ll
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@ -1,11 +1,8 @@
; RUN: opt < %s -cost-model -analyze | FileCheck %s
; The cost model does not have any target information so it can't make a decision.
; Notice that OPT does not read the triple information from the module itself, only through the command line.
; This info ignored:
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-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
; -- No triple in this module --
;CHECK: Unknown cost {{.*}} add
;CHECK: Unknown cost {{.*}} ret

2
test/Transforms/BBVectorize/loop1.ll
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@ -1,6 +1,6 @@
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-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S -mtriple=unknown | FileCheck %s
; RUN: opt < %s -basicaa -loop-unroll -unroll-threshold=45 -unroll-allow-partial -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s -check-prefix=CHECK-UNRL
; The second check covers the use of alias analysis (with loop unrolling).

16
tools/opt/opt.cpp
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@ -524,16 +524,11 @@ CodeGenOpt::Level GetCodeGenOptLevel() {
}
// Returns the TargetMachine instance or zero if no triple is provided.
static TargetMachine* GetTargetMachine(std::string TripleStr) {
if (TripleStr.empty())
return 0;
// Get the target specific parser.
static TargetMachine* GetTargetMachine(Triple TheTriple) {
std::string Error;
Triple TheTriple(Triple::normalize(TargetTriple));
const Target *TheTarget = TargetRegistry::lookupTarget(MArch, TheTriple,
Error);
// Some modules don't specify a triple, and this is okay.
if (!TheTarget) {
return 0;
}
@ -656,7 +651,12 @@ int main(int argc, char **argv) {
if (TD)
Passes.add(TD);
std::auto_ptr<TargetMachine> TM(GetTargetMachine(TargetTriple));
Triple ModuleTriple(M->getTargetTriple());
TargetMachine *Machine = 0;
if (ModuleTriple.getArch())
Machine = GetTargetMachine(Triple(ModuleTriple));
std::auto_ptr<TargetMachine> TM(Machine);
if (TM.get()) {
Passes.add(new TargetTransformInfo(TM->getScalarTargetTransformInfo(),
TM->getVectorTargetTransformInfo()));