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| author | Chris Lattner <sabre@nondot.org> | 2010-03-10 21:42:42 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-03-10 21:42:42 +0000 |
| commit | 6663670359428183427b7601f3eb9916c08e6068 (patch) | |
| tree | 7831f541483a6ae7c99d602f1f19d92096abbebd /lib/Target/README.txt | |
| parent | 97d7b1007abc8eb264dc82f07998d9e101f1d0b1 (diff) | |
| download | llvm-6663670359428183427b7601f3eb9916c08e6068.tar.gz llvm-6663670359428183427b7601f3eb9916c08e6068.tar.bz2 llvm-6663670359428183427b7601f3eb9916c08e6068.tar.xz | |
move PR6576 here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98194 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/README.txt')
| -rw-r--r-- | lib/Target/README.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 4fd46a8b28..052a5756da 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -1819,3 +1819,27 @@ int test2(int mainType, int subType) { } //===---------------------------------------------------------------------===// + +The following test case (from PR6576): + +define i32 @mul(i32 %a, i32 %b) nounwind readnone { +entry: + %cond1 = icmp eq i32 %b, 0 ; <i1> [#uses=1] + br i1 %cond1, label %exit, label %bb.nph +bb.nph: ; preds = %entry + %tmp = mul i32 %b, %a ; <i32> [#uses=1] + ret i32 %tmp +exit: ; preds = %entry + ret i32 0 +} + +could be reduced to: + +define i32 @mul(i32 %a, i32 %b) nounwind readnone { +entry: + %tmp = mul i32 %b, %a + ret i32 %tmp +} + +//===---------------------------------------------------------------------===// + |