The test unconditionally assumes a particular cpu has a backend build in the target.

Buildbots for some hosts may choose to build only their own backend in order to
maximise testing-turnaround time. Move the test into a prefixed directory so
lit's standard "backend specific" suppression can be done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169604 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopIdiom/X86/lit.local.cfg b/test/Transforms/LoopIdiom/X86/lit.local.cfg
new file mode 100644 (file)
index 0000000..a8ad0f1
--- /dev/null
+++ b/test/Transforms/LoopIdiom/X86/lit.local.cfg
@@ -0,0 +1,6 @@
+config.suffixes = ['.ll', '.c', '.cpp']
+
+targets = set(config.root.targets_to_build.split())
+if not 'X86' in targets:
+    config.unsupported = True
+

diff --git a/test/Transforms/LoopIdiom/X86/popcnt.ll b/test/Transforms/LoopIdiom/X86/popcnt.ll
new file mode 100644 (file)
index 0000000..039af80
--- /dev/null
+++ b/test/Transforms/LoopIdiom/X86/popcnt.ll
@@ -0,0 +1,76 @@
+; RUN: opt -loop-idiom < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -S | FileCheck %s
+
+;To recognize this pattern:
+;int popcount(unsigned long long a) {
+;    int c = 0;
+;    while (a) {
+;        c++;
+;        a &= a - 1;
+;    }
+;    return c;
+;}
+; 
+; CHECK: entry
+; CHECK: llvm.ctpop.i64
+; CHECK: ret
+define i32 @popcount(i64 %a) nounwind uwtable readnone ssp {
+entry:
+  %tobool3 = icmp eq i64 %a, 0
+  br i1 %tobool3, label %while.end, label %while.body
+
+while.body:                                       ; preds = %entry, %while.body
+  %c.05 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
+  %a.addr.04 = phi i64 [ %and, %while.body ], [ %a, %entry ]
+  %inc = add nsw i32 %c.05, 1
+  %sub = add i64 %a.addr.04, -1
+  %and = and i64 %sub, %a.addr.04
+  %tobool = icmp eq i64 %and, 0
+  br i1 %tobool, label %while.end, label %while.body
+
+while.end:                                        ; preds = %while.body, %entry
+  %c.0.lcssa = phi i32 [ 0, %entry ], [ %inc, %while.body ]
+  ret i32 %c.0.lcssa
+}
+
+; To recognize this pattern:
+;int popcount(unsigned long long a, int mydata1, int mydata2) {
+;    int c = 0;
+;    while (a) {
+;        c++;
+;        a &= a - 1;
+;        mydata1 *= c;
+;        mydata2 *= (int)a;
+;    }
+;    return c + mydata1 + mydata2;
+;}
+; CHECK: entry
+; CHECK: llvm.ctpop.i64
+; CHECK: ret
+define i32 @popcount2(i64 %a, i32 %mydata1, i32 %mydata2) nounwind uwtable readnone ssp {
+entry:
+  %tobool9 = icmp eq i64 %a, 0
+  br i1 %tobool9, label %while.end, label %while.body
+
+while.body:                                       ; preds = %entry, %while.body
+  %c.013 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
+  %mydata2.addr.012 = phi i32 [ %mul1, %while.body ], [ %mydata2, %entry ]
+  %mydata1.addr.011 = phi i32 [ %mul, %while.body ], [ %mydata1, %entry ]
+  %a.addr.010 = phi i64 [ %and, %while.body ], [ %a, %entry ]
+  %inc = add nsw i32 %c.013, 1
+  %sub = add i64 %a.addr.010, -1
+  %and = and i64 %sub, %a.addr.010
+  %mul = mul nsw i32 %inc, %mydata1.addr.011
+  %conv = trunc i64 %and to i32
+  %mul1 = mul nsw i32 %conv, %mydata2.addr.012
+  %tobool = icmp eq i64 %and, 0
+  br i1 %tobool, label %while.end, label %while.body
+
+while.end:                                        ; preds = %while.body, %entry
+  %c.0.lcssa = phi i32 [ 0, %entry ], [ %inc, %while.body ]
+  %mydata2.addr.0.lcssa = phi i32 [ %mydata2, %entry ], [ %mul1, %while.body ]
+  %mydata1.addr.0.lcssa = phi i32 [ %mydata1, %entry ], [ %mul, %while.body ]
+  %add = add i32 %mydata2.addr.0.lcssa, %mydata1.addr.0.lcssa
+  %add2 = add i32 %add, %c.0.lcssa
+  ret i32 %add2
+}
+

diff --git a/test/Transforms/LoopIdiom/popcnt.ll b/test/Transforms/LoopIdiom/popcnt.ll
deleted file mode 100644 (file)
index 039af80..0000000
--- a/test/Transforms/LoopIdiom/popcnt.ll
+++ /dev/null
@@ -1,76 +0,0 @@
-; RUN: opt -loop-idiom < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -S | FileCheck %s
-
-;To recognize this pattern:
-;int popcount(unsigned long long a) {
-;    int c = 0;
-;    while (a) {
-;        c++;
-;        a &= a - 1;
-;    }
-;    return c;
-;}
-; 
-; CHECK: entry
-; CHECK: llvm.ctpop.i64
-; CHECK: ret
-define i32 @popcount(i64 %a) nounwind uwtable readnone ssp {
-entry:
-  %tobool3 = icmp eq i64 %a, 0
-  br i1 %tobool3, label %while.end, label %while.body
-
-while.body:                                       ; preds = %entry, %while.body
-  %c.05 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
-  %a.addr.04 = phi i64 [ %and, %while.body ], [ %a, %entry ]
-  %inc = add nsw i32 %c.05, 1
-  %sub = add i64 %a.addr.04, -1
-  %and = and i64 %sub, %a.addr.04
-  %tobool = icmp eq i64 %and, 0
-  br i1 %tobool, label %while.end, label %while.body
-
-while.end:                                        ; preds = %while.body, %entry
-  %c.0.lcssa = phi i32 [ 0, %entry ], [ %inc, %while.body ]
-  ret i32 %c.0.lcssa
-}
-
-; To recognize this pattern:
-;int popcount(unsigned long long a, int mydata1, int mydata2) {
-;    int c = 0;
-;    while (a) {
-;        c++;
-;        a &= a - 1;
-;        mydata1 *= c;
-;        mydata2 *= (int)a;
-;    }
-;    return c + mydata1 + mydata2;
-;}
-; CHECK: entry
-; CHECK: llvm.ctpop.i64
-; CHECK: ret
-define i32 @popcount2(i64 %a, i32 %mydata1, i32 %mydata2) nounwind uwtable readnone ssp {
-entry:
-  %tobool9 = icmp eq i64 %a, 0
-  br i1 %tobool9, label %while.end, label %while.body
-
-while.body:                                       ; preds = %entry, %while.body
-  %c.013 = phi i32 [ %inc, %while.body ], [ 0, %entry ]
-  %mydata2.addr.012 = phi i32 [ %mul1, %while.body ], [ %mydata2, %entry ]
-  %mydata1.addr.011 = phi i32 [ %mul, %while.body ], [ %mydata1, %entry ]
-  %a.addr.010 = phi i64 [ %and, %while.body ], [ %a, %entry ]
-  %inc = add nsw i32 %c.013, 1
-  %sub = add i64 %a.addr.010, -1
-  %and = and i64 %sub, %a.addr.010
-  %mul = mul nsw i32 %inc, %mydata1.addr.011
-  %conv = trunc i64 %and to i32
-  %mul1 = mul nsw i32 %conv, %mydata2.addr.012
-  %tobool = icmp eq i64 %and, 0
-  br i1 %tobool, label %while.end, label %while.body
-
-while.end:                                        ; preds = %while.body, %entry
-  %c.0.lcssa = phi i32 [ 0, %entry ], [ %inc, %while.body ]
-  %mydata2.addr.0.lcssa = phi i32 [ %mydata2, %entry ], [ %mul1, %while.body ]
-  %mydata1.addr.0.lcssa = phi i32 [ %mydata1, %entry ], [ %mul, %while.body ]
-  %add = add i32 %mydata2.addr.0.lcssa, %mydata1.addr.0.lcssa
-  %add2 = add i32 %add, %c.0.lcssa
-  ret i32 %add2
-}
-