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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/Alpha/2008-11-10-smul_lohi.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/Alpha/2008-11-10-smul_lohi.ll')
| -rw-r--r-- | test/CodeGen/Alpha/2008-11-10-smul_lohi.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/Alpha/2008-11-10-smul_lohi.ll b/test/CodeGen/Alpha/2008-11-10-smul_lohi.ll new file mode 100644 index 0000000..1a4b40e --- /dev/null +++ b/test/CodeGen/Alpha/2008-11-10-smul_lohi.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s -march=alpha + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f128:128:128" +target triple = "alphaev6-unknown-linux-gnu" + +define i64 @__mulvdi3(i64 %a, i64 %b) nounwind { +entry: + %0 = sext i64 %a to i128 ; <i128> [#uses=1] + %1 = sext i64 %b to i128 ; <i128> [#uses=1] + %2 = mul i128 %1, %0 ; <i128> [#uses=2] + %3 = lshr i128 %2, 64 ; <i128> [#uses=1] + %4 = trunc i128 %3 to i64 ; <i64> [#uses=1] + %5 = trunc i128 %2 to i64 ; <i64> [#uses=1] + %6 = icmp eq i64 %4, 0 ; <i1> [#uses=1] + br i1 %6, label %bb1, label %bb + +bb: ; preds = %entry + unreachable + +bb1: ; preds = %entry + ret i64 %5 +} |