-; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-apple-macosx < %s | FileCheck %s
; rdar://7610418
%ptr = type { i8* }
%struct.s2 = type { i32, i8*, i8*, [256 x %struct.s1*], [8 x i32], i64, i8*, i32, i64, i64, i32, %struct.s3*, %struct.s3*, [49 x i64] }
%struct.s3 = type { %struct.s3*, %struct.s3*, i32, i32, i32 }
-define fastcc i8* @t(i64 %size) nounwind {
+define fastcc i8* @t(i32 %base) nounwind {
entry:
-; CHECK: t:
+; CHECK-LABEL: t:
; CHECK: leaq (%rax,%rax,4)
- %0 = zext i32 undef to i64
+ %0 = zext i32 %base to i64
%1 = getelementptr inbounds %struct.s2* null, i64 %0
br i1 undef, label %bb1, label %bb2
declare void @bar(i32*)
declare fastcc i8* @foo(%struct.s2*) nounwind
+
+; rdar://8773371
+
+declare void @printf(...) nounwind
+
+define void @commute(i32 %test_case, i32 %scale) nounwind ssp {
+; CHECK-LABEL: commute:
+entry:
+ switch i32 %test_case, label %sw.bb307 [
+ i32 1, label %sw.bb
+ i32 2, label %sw.bb
+ i32 3, label %sw.bb
+ ]
+
+sw.bb: ; preds = %entry, %entry, %entry
+; CHECK: %sw.bb
+; CHECK: imull
+ %mul = mul nsw i32 %test_case, 3
+ %mul20 = mul nsw i32 %mul, %scale
+ br i1 undef, label %if.end34, label %sw.bb307
+
+if.end34: ; preds = %sw.bb
+; CHECK: %if.end34
+; CHECK: leal
+; CHECK-NOT: imull
+ tail call void (...)* @printf(i32 %test_case, i32 %mul20) nounwind
+ %tmp = mul i32 %scale, %test_case
+ %tmp752 = mul i32 %tmp, 3
+ %tmp753 = zext i32 %tmp752 to i64
+ br label %bb.nph743.us
+
+for.body53.us: ; preds = %bb.nph743.us, %for.body53.us
+ %exitcond = icmp eq i64 undef, %tmp753
+ br i1 %exitcond, label %bb.nph743.us, label %for.body53.us
+
+bb.nph743.us: ; preds = %for.body53.us, %if.end34
+ br label %for.body53.us
+
+sw.bb307: ; preds = %sw.bb, %entry
+ ret void
+}
+
+; CSE physical register defining instruction across MBB boundary.
+; rdar://10660865
+define i32 @cross_mbb_phys_cse(i32 %a, i32 %b) nounwind ssp {
+entry:
+; CHECK-LABEL: cross_mbb_phys_cse:
+; CHECK: cmpl
+; CHECK: ja
+ %cmp = icmp ugt i32 %a, %b
+ br i1 %cmp, label %return, label %if.end
+
+if.end: ; preds = %entry
+; CHECK-NOT: cmpl
+; CHECK: sbbl
+ %cmp1 = icmp ult i32 %a, %b
+ %. = sext i1 %cmp1 to i32
+ br label %return
+
+return: ; preds = %if.end, %entry
+ %retval.0 = phi i32 [ 1, %entry ], [ %., %if.end ]
+ ret i32 %retval.0
+}
+
+; rdar://11393714
+define i8* @bsd_memchr(i8* %s, i32 %a, i32 %c, i64 %n) nounwind ssp {
+; CHECK: %entry
+; CHECK: xorl
+; CHECK: %preheader
+; CHECK: %do.body
+; CHECK-NOT: xorl
+; CHECK: %do.cond
+; CHECK-NOT: xorl
+; CHECK: %return
+entry:
+ %cmp = icmp eq i64 %n, 0
+ br i1 %cmp, label %return, label %preheader
+
+preheader:
+ %conv2 = and i32 %c, 255
+ br label %do.body
+
+do.body:
+ %n.addr.0 = phi i64 [ %dec, %do.cond ], [ %n, %preheader ]
+ %p.0 = phi i8* [ %incdec.ptr, %do.cond ], [ %s, %preheader ]
+ %cmp3 = icmp eq i32 %a, %conv2
+ br i1 %cmp3, label %return, label %do.cond
+
+do.cond:
+ %incdec.ptr = getelementptr inbounds i8* %p.0, i64 1
+ %dec = add i64 %n.addr.0, -1
+ %cmp6 = icmp eq i64 %dec, 0
+ br i1 %cmp6, label %return, label %do.body
+
+return:
+ %retval.0 = phi i8* [ null, %entry ], [ null, %do.cond ], [ %p.0, %do.body ]
+ ret i8* %retval.0
+}
+
+; PR13578
+@t2_global = external global i32
+
+declare i1 @t2_func()
+
+define i32 @t2() {
+ store i32 42, i32* @t2_global
+ %c = call i1 @t2_func()
+ br i1 %c, label %a, label %b
+
+a:
+ %l = load i32* @t2_global
+ ret i32 %l
+
+b:
+ ret i32 0
+
+; CHECK-LABEL: t2:
+; CHECK: t2_global@GOTPCREL(%rip)
+; CHECK-NOT: t2_global@GOTPCREL(%rip)
+}