Revert "StructurizeCFG: Directly invert cmp instructions"
This reverts commit r300732. This breaks a few tests.
I think the problem is related to adding more uses of
the condition that don't yet exist at this point.
llvm-svn: 301242
diff --git a/llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll b/llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll
index aff5964..668a1e9 100644
--- a/llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll
+++ b/llvm/test/Transforms/StructurizeCFG/one-loop-multiple-backedges.ll
@@ -11,8 +11,8 @@
bb3: ; preds = %bb7, %bb
%tmp = phi i64 [ 0, %bb ], [ %tmp8, %bb7 ]
%tmp4 = fcmp ult float %arg1, 3.500000e+00
-; CHECK: %tmp4 = fcmp oge float %arg1, 3.500000e+00
-; CHECK: br i1 %tmp4, label %bb5, label %Flow
+; CHECK: %0 = xor i1 %tmp4, true
+; CHECK: br i1 %0, label %bb5, label %Flow
br i1 %tmp4, label %bb7, label %bb5
; CHECK: bb5:
@@ -22,8 +22,7 @@
br i1 %tmp6, label %bb10, label %bb7
; CHECK: Flow:
-; CHECK: %1 = phi i1 [ %tmp6, %bb5 ], [ %tmp4, %bb3 ]
-; CHECK-NEXT: br i1 %1, label %bb7, label %Flow1
+; CHECK: br i1 %3, label %bb7, label %Flow1
; CHECK: bb7
bb7: ; preds = %bb5, %bb3
@@ -33,10 +32,9 @@
br i1 %tmp9, label %bb3, label %bb10
; CHECK: Flow1:
-; CHECK: %4 = phi i1 [ %tmp9, %bb7 ], [ true, %Flow ]
-; CHECK-NEXT: br i1 %4, label %bb10, label %bb3
+; CHECK: br i1 %7, label %bb10, label %bb3
-; CHECK: bb10:
+; CHECK: bb10
bb10: ; preds = %bb7, %bb5
%tmp11 = phi i32 [ 15, %bb5 ], [ 255, %bb7 ]
store i32 %tmp11, i32 addrspace(1)* %arg, align 4