Remove useless rdar:// comment from switch_to_lookup_table.ll test.

[oota-llvm.git] / test / Transforms / SimplifyCFG / SpeculativeExec.ll

diff --git a/test/Transforms/SimplifyCFG/SpeculativeExec.ll b/test/Transforms/SimplifyCFG/SpeculativeExec.ll
index 4fbb64a4582b25b24b2b2168628f8013d3cb0579..83fa419000358d993001f55c43eb3fada2ccd7f8 100644 (file)
--- a/test/Transforms/SimplifyCFG/SpeculativeExec.ll
+++ b/test/Transforms/SimplifyCFG/SpeculativeExec.ll
@@ -4,7 +4,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 target triple = "x86_64-unknown-linux-gnu"
 
 define i32 @test1(i32 %a, i32 %b, i32 %c) nounwind  {
-; CHECK: @test1
+; CHECK-LABEL: @test1(
 entry:
         %tmp1 = icmp eq i32 %b, 0
         br i1 %tmp1, label %bb1, label %bb3
@@ -13,8 +13,8 @@ bb1:            ; preds = %entry
        %tmp2 = icmp sgt i32 %c, 1
        br i1 %tmp2, label %bb2, label %bb3
 ; CHECK: bb1:
-; CHECK-NEXT: add i32 %a, 1
 ; CHECK-NEXT: icmp sgt i32 %c, 1
+; CHECK-NEXT: add i32 %a, 1
 ; CHECK-NEXT: select i1 %tmp2, i32 %tmp3, i32 %a
 ; CHECK-NEXT: br label %bb3
 
@@ -31,7 +31,7 @@ bb3:          ; preds = %bb2, %entry
 declare i8 @llvm.cttz.i8(i8, i1)
 
 define i8 @test2(i8 %a) {
-; CHECK: @test2
+; CHECK-LABEL: @test2(
   br i1 undef, label %bb_true, label %bb_false
 bb_true:
   %b = tail call i8 @llvm.cttz.i8(i8 %a, i1 false)
@@ -44,3 +44,44 @@ join:
   ret i8 %c
 }
 
+define i8* @test4(i1* %dummy, i8* %a, i8* %b) {
+; Test that we don't speculate an arbitrarily large number of unfolded constant
+; expressions.
+; CHECK-LABEL: @test4(
+
+entry:
+  %cond1 = load volatile i1* %dummy
+  br i1 %cond1, label %if, label %end
+
+if:
+  %cond2 = load volatile i1* %dummy
+  br i1 %cond2, label %then, label %end
+
+then:
+  br label %end
+
+end:
+  %x1 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 1 to i8*), %then ]
+  %x2 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 2 to i8*), %then ]
+  %x3 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 3 to i8*), %then ]
+  %x4 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 4 to i8*), %then ]
+  %x5 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 5 to i8*), %then ]
+  %x6 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 6 to i8*), %then ]
+  %x7 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 7 to i8*), %then ]
+  %x8 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 8 to i8*), %then ]
+  %x9 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 9 to i8*), %then ]
+  %x10 = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 10 to i8*), %then ]
+; CHECK-NOT: select
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+; CHECK: phi i8*
+
+  ret i8* %x10
+}