Just documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7149 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Generic/2003-07-08-BadCastToBool.ll b/test/CodeGen/Generic/2003-07-08-BadCastToBool.ll
index 56e02d05b395468d72520e879c0cf3bec47f4835..5736c951b737ba8106769ed8bf13eae631927926 100644 (file)
--- a/test/CodeGen/Generic/2003-07-08-BadCastToBool.ll
+++ b/test/CodeGen/Generic/2003-07-08-BadCastToBool.ll
@@ -1,3 +1,26 @@
+;; Date:     Jul 8, 2003.
+;; From:     test/Programs/MultiSource/Olden-perimeter
+;; Function: int %adj(uint %d.1, uint %ct.1)
+;;
+;; Errors: (1) cast-int-to-bool was being treated as a NOP (i.e., the int
+;;            register was treated as effectively true if non-zero).
+;;            This cannot be used for later boolean operations.
+;;        (2) (A or NOT(B)) was being folded into A orn B, which is ok
+;;            for bitwise operations but not booleans!  For booleans,
+;;            the result has to be compared with 0.
+;; 
+;; LLC Output for the basic block (LLVM assembly is shown below):
+;; 
+;; .L_adj_7_LL_4:
+;;         sethi   0, %i0
+;;         subcc   %i1, 2, %g0
+;;         move    %icc, 1, %i0
+;;         orn     %i0, %i1, %i0
+;;         ba      .L_adj_7_LL_5
+;;         nop     
+;; 
+
+
 target endian = big
 target pointersize = 64
 

diff --git a/test/LLC/2003-07-08-BadCastToBool.ll b/test/LLC/2003-07-08-BadCastToBool.ll
index 56e02d05b395468d72520e879c0cf3bec47f4835..5736c951b737ba8106769ed8bf13eae631927926 100644 (file)
--- a/test/LLC/2003-07-08-BadCastToBool.ll
+++ b/test/LLC/2003-07-08-BadCastToBool.ll
@@ -1,3 +1,26 @@
+;; Date:     Jul 8, 2003.
+;; From:     test/Programs/MultiSource/Olden-perimeter
+;; Function: int %adj(uint %d.1, uint %ct.1)
+;;
+;; Errors: (1) cast-int-to-bool was being treated as a NOP (i.e., the int
+;;            register was treated as effectively true if non-zero).
+;;            This cannot be used for later boolean operations.
+;;        (2) (A or NOT(B)) was being folded into A orn B, which is ok
+;;            for bitwise operations but not booleans!  For booleans,
+;;            the result has to be compared with 0.
+;; 
+;; LLC Output for the basic block (LLVM assembly is shown below):
+;; 
+;; .L_adj_7_LL_4:
+;;         sethi   0, %i0
+;;         subcc   %i1, 2, %g0
+;;         move    %icc, 1, %i0
+;;         orn     %i0, %i1, %i0
+;;         ba      .L_adj_7_LL_5
+;;         nop     
+;; 
+
+
 target endian = big
 target pointersize = 64