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| author | Bill Wendling <isanbard@gmail.com> | 2007-10-02 20:54:32 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2007-10-02 20:54:32 +0000 |
| commit | 8d1c8ce3d85d006fb228bfe04aa2a8b53bb6bda2 (patch) | |
| tree | d17a5c71431fb41ee12f222bc8dd93547067d6c7 /lib | |
| parent | 6aab4910cd07b8b7105fc42cfd62bebe3d67ce79 (diff) | |
| download | external_llvm-8d1c8ce3d85d006fb228bfe04aa2a8b53bb6bda2.zip external_llvm-8d1c8ce3d85d006fb228bfe04aa2a8b53bb6bda2.tar.gz external_llvm-8d1c8ce3d85d006fb228bfe04aa2a8b53bb6bda2.tar.bz2 | |
Now with LL code!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42547 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/README.txt | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 08e219c..5172404 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1241,6 +1241,22 @@ _test: The following code: +bb114.preheader: ; preds = %cond_next94 + %tmp231232 = sext i16 %tmp62 to i32 ; <i32> [#uses=1] + %tmp233 = sub i32 32, %tmp231232 ; <i32> [#uses=1] + %tmp245246 = sext i16 %tmp65 to i32 ; <i32> [#uses=1] + %tmp252253 = sext i16 %tmp68 to i32 ; <i32> [#uses=1] + %tmp254 = sub i32 32, %tmp252253 ; <i32> [#uses=1] + %tmp553554 = bitcast i16* %tmp37 to i8* ; <i8*> [#uses=2] + %tmp583584 = sext i16 %tmp98 to i32 ; <i32> [#uses=1] + %tmp585 = sub i32 32, %tmp583584 ; <i32> [#uses=1] + %tmp614615 = sext i16 %tmp101 to i32 ; <i32> [#uses=1] + %tmp621622 = sext i16 %tmp104 to i32 ; <i32> [#uses=1] + %tmp623 = sub i32 32, %tmp621622 ; <i32> [#uses=1] + br label %bb114 + +produces: + LBB3_5: # bb114.preheader movswl -68(%ebp), %eax movl $32, %ecx @@ -1261,7 +1277,7 @@ LBB3_5: # bb114.preheader movl %eax, -96(%ebp) movw $0, -98(%ebp) -has redundant subtractions of %eax from a stack slot. However, %ecx doesn't +This has redundant subtractions of %eax from a stack slot. However, %ecx doesn't change, so we could simply subtract %eax from %ecx first and then use %ecx (or vice-versa). |