diff options
Diffstat (limited to 'test/CodeGen/X86/atom-fixup-lea1.ll')
| -rw-r--r-- | test/CodeGen/X86/atom-fixup-lea1.ll | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/test/CodeGen/X86/atom-fixup-lea1.ll b/test/CodeGen/X86/atom-fixup-lea1.ll deleted file mode 100644 index f862fa6dfc35..000000000000 --- a/test/CodeGen/X86/atom-fixup-lea1.ll +++ /dev/null @@ -1,38 +0,0 @@ -; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s -; CHECK: addl -; CHECK-NEXT:leal -; CHECK-NEXT:decl -; CHECK-NEXT:jne - -; Test for the FixupLEAs pre-emit pass. An LEA should be substituted for the ADD -; that increments the array pointer because it is within 5 instructions of the -; corresponding load. The ADD precedes the load by following the loop back edge. - -; Original C code -;int test(int n, int * array) -;{ -; int sum = 0; -; for(int i = 0; i < n; i++) -; sum += array[i]; -; return sum; -;} - -define i32 @test(i32 %n, i32* nocapture %array) { -entry: - %cmp4 = icmp sgt i32 %n, 0 - br i1 %cmp4, label %for.body, label %for.end - -for.body: - %i.06 = phi i32 [ %inc, %for.body ], [ 0, %entry ] - %sum.05 = phi i32 [ %add, %for.body ], [ 0, %entry ] - %arrayidx = getelementptr inbounds i32, i32* %array, i32 %i.06 - %0 = load i32, i32* %arrayidx, align 4 - %add = add nsw i32 %0, %sum.05 - %inc = add nsw i32 %i.06, 1 - %exitcond = icmp eq i32 %inc, %n - br i1 %exitcond, label %for.end, label %for.body - -for.end: - %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ] - ret i32 %sum.0.lcssa -} |
