Re-enable -Z time-llvm-passes when using a single codegen unit

dotdash · dotdash · commit 0b5ca7850bd6 · 2015-02-28T22:40:39.000+01:00
The timing code break when using multiple codegen units, but that
shouldn't stop us from using it with a single codegen unit.
diff --git a/src/librustc_trans/back/write.rs b/src/librustc_trans/back/write.rs
@@ -851,7 +851,9 @@ pub fn run_passes(sess: &Session,
 
     // FIXME: time_llvm_passes support - does this use a global context or
     // something?
-    //if sess.time_llvm_passes() { llvm::LLVMRustPrintPassTimings(); }
+    if sess.opts.cg.codegen_units == 1 && sess.time_llvm_passes() {
+        unsafe { llvm::LLVMRustPrintPassTimings(); }
+    }
 }
 
 struct WorkItem {

Original file line number	Diff line number	Diff line change
`@@ -851,7 +851,9 @@ pub fn run_passes(sess: &Session,`
`851`	`851`
`852`	`852`	`// FIXME: time_llvm_passes support - does this use a global context or`
`853`	`853`	`// something?`
`854`		`- //if sess.time_llvm_passes() { llvm::LLVMRustPrintPassTimings(); }`
	`854`	`+ if sess.opts.cg.codegen_units == 1 && sess.time_llvm_passes() {`
	`855`	`+ unsafe { llvm::LLVMRustPrintPassTimings(); }`
	`856`	`+ }`
`855`	`857`	`}`
`856`	`858`
`857`	`859`	`struct WorkItem {`