Re-revert r173342, without losing the compile time improvements, flat

out bug fixes, or functionality preserving refactorings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173610 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 115 deletions

diff --git a/test/Transforms/SimplifyCFG/SpeculativeExec.ll b/test/Transforms/SimplifyCFG/SpeculativeExec.ll
index b60e5dc56f..dd2e5d1c3a 100644
--- a/test/Transforms/SimplifyCFG/SpeculativeExec.ll
+++ b/test/Transforms/SimplifyCFG/SpeculativeExec.ll
@@ -44,29 +44,6 @@ join:
   ret i8 %c
 }
 
-define i8* @test3(i1* %dummy, i8* %a, i8* %b) {
-; Test that a weird, unfolded constant cast in the PHI don't block speculation.
-; CHECK: @test3
-
-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:
-  %x = phi i8* [ %a, %entry ], [ %b, %if ], [ inttoptr (i64 42 to i8*), %then ]
-; CHECK-NOT: phi
-; CHECK: select i1 %cond2, i8* inttoptr
-
-  ret i8* %x
-}
-
 define i8* @test4(i1* %dummy, i8* %a, i8* %b) {
 ; Test that we don't speculate an arbitrarily large number of unfolded constant
 ; expressions.
@@ -108,95 +85,3 @@ end:
 
   ret i8* %x10
 }
-
-define i16 @test5(i1* %dummy, i16 %a, i16 %b) {
-; Test that we speculate no-op instructions.
-; CHECK: @test5
-
-entry:
-  %cond1 = load volatile i1* %dummy
-  br i1 %cond1, label %if, label %end
-
-if:
-  %cond2 = load volatile i1* %dummy
-  %a.conv = sext i16 %a to i32
-  %b.conv = sext i16 %b to i32
-  %cmp = icmp ult i32 %a.conv, %b.conv
-  br i1 %cond2, label %then, label %end
-
-then:
-  %sub = sub i32 %a.conv, %b.conv
-  %sub.conv = trunc i32 %sub to i16
-  br label %end
-
-end:
-  %x = phi i16 [ %a, %entry ], [ %b, %if ], [ %sub.conv, %then ]
-; CHECK-NOT: phi
-; CHECK: select i1
-
-  ret i16 %x
-}
-
-define i16 @test6(i1* %dummy, i64 %a, i64 %b) {
-; Test that we speculate no-op instructions when those instructions are in the
-; predecessor but could potentially be sunk.
-; CHECK: @test6
-
-entry:
-  %cond1 = load volatile i1* %dummy
-  %a.conv = trunc i64 %a to i16
-  %b.conv = trunc i64 %b to i16
-  br i1 %cond1, label %if, label %end
-
-if:
-  %cond2 = load volatile i1* %dummy
-  %cond3 = load volatile i1* %dummy
-  %cond4 = load volatile i1* %dummy
-  %cmp = icmp ult i16 %a.conv, %b.conv
-  %a.conv2 = trunc i64 %a to i32
-  %b.conv2 = trunc i64 %b to i32
-  br i1 %cond2, label %then, label %end
-
-then:
-  %sub = sub i32 %a.conv2, %b.conv2
-  %sub.conv = trunc i32 %sub to i16
-  br label %end
-
-end:
-  %x = phi i16 [ %a.conv, %entry ], [ %b.conv, %if ], [ %sub.conv, %then ]
-; CHECK-NOT: phi
-; CHECK: select i1
-
-  ret i16 %x
-}
-
-define i16 @test7(i1* %dummy, i16 %a, i16 %b, i32 %x) {
-; Test that we don't speculate when there are instructions that could
-; potentially sink into the conditional block.
-; CHECK: @test7
-
-entry:
-  %cond1 = load volatile i1* %dummy
-  br i1 %cond1, label %if, label %end
-
-if:
-  %cond2 = load volatile i1* %dummy
-  %a.conv = sext i16 %a to i32
-  %b.conv = sext i16 %b to i32
-  %cmp = icmp ult i32 %a.conv, %b.conv
-  %a.conv2 = add i32 %a.conv, %x
-  br i1 %cond2, label %then, label %end
-
-then:
-  %sub = sub i32 %a.conv2, %b.conv
-  %sub.conv = trunc i32 %sub to i16
-  br label %end
-
-end:
-  %y = phi i16 [ %a, %entry ], [ %b, %if ], [ %sub.conv, %then ]
-; CHECK-NOT: select
-; CHECK: phi i16
-
-  ret i16 %y
-}
-