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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 4fd46a8b28ad..052a5756da9f 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 +} + +//===---------------------------------------------------------------------===// + |