diff options
Diffstat (limited to 'test/CodeGen/X86/phys_subreg_coalesce-3.ll')
| -rw-r--r-- | test/CodeGen/X86/phys_subreg_coalesce-3.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/CodeGen/X86/phys_subreg_coalesce-3.ll b/test/CodeGen/X86/phys_subreg_coalesce-3.ll new file mode 100644 index 0000000000..f23669ed9a --- /dev/null +++ b/test/CodeGen/X86/phys_subreg_coalesce-3.ll @@ -0,0 +1,35 @@ +; RUN: llc < %s -mtriple=i386-apple-darwin | FileCheck %s +; rdar://5571034 + +define void @foo(i32* nocapture %quadrant, i32* nocapture %ptr, i32 %bbSize, i32 %bbStart, i32 %shifts) nounwind ssp { +; CHECK: foo: +entry: + %j.03 = add i32 %bbSize, -1 ; <i32> [#uses=2] + %0 = icmp sgt i32 %j.03, -1 ; <i1> [#uses=1] + br i1 %0, label %bb.nph, label %return + +bb.nph: ; preds = %entry + %tmp9 = add i32 %bbStart, %bbSize ; <i32> [#uses=1] + %tmp10 = add i32 %tmp9, -1 ; <i32> [#uses=1] + br label %bb + +bb: ; preds = %bb, %bb.nph +; CHECK: %bb +; CHECK-NOT: movb {{.*}}l, %cl +; CHECK: sarl %cl + %indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3] + %j.06 = sub i32 %j.03, %indvar ; <i32> [#uses=1] + %tmp11 = sub i32 %tmp10, %indvar ; <i32> [#uses=1] + %scevgep = getelementptr i32* %ptr, i32 %tmp11 ; <i32*> [#uses=1] + %1 = load i32* %scevgep, align 4 ; <i32> [#uses=1] + %2 = ashr i32 %j.06, %shifts ; <i32> [#uses=1] + %3 = and i32 %2, 65535 ; <i32> [#uses=1] + %4 = getelementptr inbounds i32* %quadrant, i32 %1 ; <i32*> [#uses=1] + store i32 %3, i32* %4, align 4 + %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] + %exitcond = icmp eq i32 %indvar.next, %bbSize ; <i1> [#uses=1] + br i1 %exitcond, label %return, label %bb + +return: ; preds = %bb, %entry + ret void +} |