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author | Mon P Wang <wangmp@apple.com> | 2010-06-15 20:29:05 +0000 |
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committer | Mon P Wang <wangmp@apple.com> | 2010-06-15 20:29:05 +0000 |
commit | 9c4a84b4f38790a74d2e4c95870e27e71a79e326 (patch) | |
tree | 9401a90a1991c78cd3c57243e71da19864189c27 /test | |
parent | 71907fbebf5a812b9a117574b196d8ff9561ac75 (diff) | |
download | llvm-9c4a84b4f38790a74d2e4c95870e27e71a79e326.tar.gz llvm-9c4a84b4f38790a74d2e4c95870e27e71a79e326.tar.bz2 llvm-9c4a84b4f38790a74d2e4c95870e27e71a79e326.tar.xz |
Fixed vector widening of binary instructions that can trap. Patch by Visa Putkinen!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106038 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/Generic/v-binop-widen.ll | 8 | ||||
-rw-r--r-- | test/CodeGen/Generic/v-binop-widen2.ll | 37 |
2 files changed, 45 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/v-binop-widen.ll b/test/CodeGen/Generic/v-binop-widen.ll new file mode 100644 index 0000000000..89aa336645 --- /dev/null +++ b/test/CodeGen/Generic/v-binop-widen.ll @@ -0,0 +1,8 @@ +; RUN: llc -march=x86 %s + +%vec = type <9 x float> +define %vec @vecdiv( %vec %p1, %vec %p2) +{ + %result = fdiv %vec %p1, %p2 + ret %vec %result +} diff --git a/test/CodeGen/Generic/v-binop-widen2.ll b/test/CodeGen/Generic/v-binop-widen2.ll new file mode 100644 index 0000000000..c494ca16f6 --- /dev/null +++ b/test/CodeGen/Generic/v-binop-widen2.ll @@ -0,0 +1,37 @@ +; RUN: llvm-as < %s | lli + +%vec = type <6 x float> + +define %vec @vecdiv( %vec %p1, %vec %p2) +{ + %result = fdiv %vec %p1, %p2 + ret %vec %result +} + +@a = constant %vec < float 2.0, float 4.0, float 8.0, float 16.0, float 32.0, float 64.0 > +@b = constant %vec < float 2.0, float 2.0, float 2.0, float 2.0, float 2.0, float 2.0 > + +; Expected result: < 1.0, 2.0, 4.0, ..., 2.0^(n-1) > +; main() returns 0 if the result is expected and 1 otherwise +define i32 @main() nounwind { +entry: + %avec = load %vec* @a + %bvec = load %vec* @b + + %res = call %vec @vecdiv(%vec %avec, %vec %bvec) + br label %loop +loop: + %idx = phi i32 [0, %entry], [%nextInd, %looptail] + %expected = phi float [1.0, %entry], [%nextExpected, %looptail] + %elem = extractelement %vec %res, i32 %idx + %expcmp = fcmp oeq float %elem, %expected + br i1 %expcmp, label %looptail, label %return +looptail: + %nextExpected = fmul float %expected, 2.0 + %nextInd = add i32 %idx, 1 + %cmp = icmp slt i32 %nextInd, 6 + br i1 %cmp, label %loop, label %return +return: + %retval = phi i32 [0, %looptail], [1, %loop] + ret i32 %retval +} |