[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst.ll 2004-11-27-SetCCForCastLargerAndConstant.ll

Devang Patel dpatel at apple.com
Thu Oct 19 11:54:24 PDT 2006



Changes in directory llvm/test/Regression/Transforms/InstCombine:

2006-10-19-SignedToUnsignedCastAndConst.ll added (r1.1)
2004-11-27-SetCCForCastLargerAndConstant.ll updated: 1.5 -> 1.6
---
Log message:

Fix bug in PR454: http://llvm.org/PR454  resolution. Added new test case.
This fixes llvmAsmParser.cpp miscompile by llvm on PowerPC Darwin.


---
Diffs of the changes:  (+8 -24)

 2004-11-27-SetCCForCastLargerAndConstant.ll |   24 ------------------------
 2006-10-19-SignedToUnsignedCastAndConst.ll  |    8 ++++++++
 2 files changed, 8 insertions(+), 24 deletions(-)


Index: llvm/test/Regression/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst.ll:1.1
*** /dev/null	Thu Oct 19 13:54:18 2006
--- llvm/test/Regression/Transforms/InstCombine/2006-10-19-SignedToUnsignedCastAndConst.ll	Thu Oct 19 13:54:08 2006
***************
*** 0 ****
--- 1,8 ----
+ ; This test case is reduced from llvmAsmParser.cpp
+ ; The optimizer should not remove the cast here.
+ ; RUN: llvm-as %s -o - | opt -instcombine | llvm-dis | grep 'cast.*int'
+ bool %test(short %X) {
+ %A = cast short %X to uint
+ %B = setgt uint %A, 1330
+ ret bool %B
+ }


Index: llvm/test/Regression/Transforms/InstCombine/2004-11-27-SetCCForCastLargerAndConstant.ll
diff -u llvm/test/Regression/Transforms/InstCombine/2004-11-27-SetCCForCastLargerAndConstant.ll:1.5 llvm/test/Regression/Transforms/InstCombine/2004-11-27-SetCCForCastLargerAndConstant.ll:1.6
--- llvm/test/Regression/Transforms/InstCombine/2004-11-27-SetCCForCastLargerAndConstant.ll:1.5	Sun Apr 24 01:55:40 2005
+++ llvm/test/Regression/Transforms/InstCombine/2004-11-27-SetCCForCastLargerAndConstant.ll	Thu Oct 19 13:54:08 2006
@@ -31,12 +31,6 @@
   ret bool %C
 }
 
-bool %lt_signed_to_small_unsigned(sbyte %SB) {
-  %Y = cast sbyte %SB to uint		; <uint> [#uses=1]
-  %C = setlt uint %Y, 17		; <bool> [#uses=1]
-  ret bool %C
-}
-
 bool %lt_signed_to_small_signed(sbyte %SB) {
   %Y = cast sbyte %SB to int
   %C = setlt int %Y, 17
@@ -73,12 +67,6 @@
   ret bool %C
 }
 
-bool %lt_unsigned_to_small_signed(ubyte %SB) {
-  %Y = cast ubyte %SB to int
-  %C = setlt int %Y, 17
-  ret bool %C
-}
-
 bool %lt_unsigned_to_small_negative(ubyte %SB) {
   %Y = cast ubyte %SB to int
   %C = setlt int %Y, -17
@@ -103,12 +91,6 @@
   ret bool %C
 }
 
-bool %gt_signed_to_small_unsigned(sbyte %SB) {
-  %Y = cast sbyte %SB to uint		; <uint> [#uses=1]
-  %C = setgt uint %Y, 17		; <bool> [#uses=1]
-  ret bool %C
-}
-
 bool %gt_signed_to_small_signed(sbyte %SB) {
   %Y = cast sbyte %SB to int
   %C = setgt int %Y, 17
@@ -145,12 +127,6 @@
   ret bool %C
 }
 
-bool %gt_unsigned_to_small_signed(ubyte %SB) {
-  %Y = cast ubyte %SB to int
-  %C = setgt int %Y, 17
-  ret bool %C
-}
-
 bool %gt_unsigned_to_small_negative(ubyte %SB) {
   %Y = cast ubyte %SB to int
   %C = setgt int %Y, -17






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