diff options
Diffstat (limited to 'test/CodeGen/PowerPC/simplifyConstCmpToISEL.ll')
-rw-r--r-- | test/CodeGen/PowerPC/simplifyConstCmpToISEL.ll | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/simplifyConstCmpToISEL.ll b/test/CodeGen/PowerPC/simplifyConstCmpToISEL.ll new file mode 100644 index 00000000000..3988d9c8d5a --- /dev/null +++ b/test/CodeGen/PowerPC/simplifyConstCmpToISEL.ll @@ -0,0 +1,51 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=powerpc64le-unknown-unknown -mcpu=pwr8 \ +; RUN: -ppc-convert-rr-to-ri -verify-machineinstrs | FileCheck %s +define void @test(i32 zeroext %parts) { +; CHECK-LABEL: test: +; CHECK: # %bb.0: # %cond.end.i +; CHECK-NEXT: cmplwi 0, 3, 1 +; CHECK-NEXT: bnelr+ 0 +; CHECK-NEXT: # %bb.1: # %test2.exit.us.unr-lcssa +; CHECK-NEXT: ld 3, 0(3) +; CHECK-NEXT: std 3, 0(3) +entry: + br label %cond.end.i + +cond.end.i: ; preds = %entry + %cmp18.i = icmp eq i32 %parts, 1 + br i1 %cmp18.i, label %while.body.lr.ph.i.us.preheader, label %test3.exit.split + +while.body.lr.ph.i.us.preheader: ; preds = %cond.end.i + %0 = icmp eq i32 %parts, 1 + br label %for.body.i62.us.preheader + +for.body.i62.us.preheader: ; preds = %while.body.lr.ph.i.us.preheader + br i1 %0, label %test2.exit.us.unr-lcssa, label %for.body.i62.us.preheader.new + +for.body.i62.us.preheader.new: ; preds = %for.body.i62.us.preheader + br label %for.body.i62.us + +for.body.i62.us: ; preds = %if.end.i.us.1, %for.body.i62.us.preheader.new + %niter = phi i64 [ undef, %for.body.i62.us.preheader.new ], [ %niter.nsub.1, %if.end.i.us.1 ] + %cmp8.i.us.1 = icmp uge i64 undef, 0 + br label %if.end.i.us.1 + +test2.exit.us.unr-lcssa: ; preds = %if.end.i.us.1, %for.body.i62.us.preheader + %c.addr.036.i.us.unr = phi i64 [ 0, %for.body.i62.us.preheader ], [ %c.addr.1.i.us.1, %if.end.i.us.1 ] + %1 = load i64, i64* undef, align 8 + %tobool.i61.us.epil = icmp eq i64 %c.addr.036.i.us.unr, 0 + %add.neg.i.us.epil.pn = select i1 %tobool.i61.us.epil, i64 %1, i64 0 + %storemerge269 = sub i64 %add.neg.i.us.epil.pn, 0 + store i64 %storemerge269, i64* undef, align 8 + unreachable + +test3.exit.split: ; preds = %cond.end.i + ret void + +if.end.i.us.1: ; preds = %for.body.i62.us + %c.addr.1.i.us.1 = zext i1 %cmp8.i.us.1 to i64 + %niter.nsub.1 = add i64 %niter, -2 + %niter.ncmp.1 = icmp eq i64 %niter.nsub.1, 0 + br i1 %niter.ncmp.1, label %test2.exit.us.unr-lcssa, label %for.body.i62.us +} |