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| author | Chris Lattner <sabre@nondot.org> | 2007-04-18 03:04:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-04-18 03:04:37 +0000 |
| commit | 1af7b8451e9e6c7a8a6ab68020e0bdf2e589265e (patch) | |
| tree | 88a4aa1d4a714cac57d0703cb06dd16e11834cc6 /llvm | |
| parent | 15c1b820ccb09b74a208931ff8aa9e23d239a448 (diff) | |
| download | bcm5719-llvm-1af7b8451e9e6c7a8a6ab68020e0bdf2e589265e.tar.gz bcm5719-llvm-1af7b8451e9e6c7a8a6ab68020e0bdf2e589265e.zip | |
new testcase
llvm-svn: 36243
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/CodeGen/X86/shl_elim.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/shl_elim.ll b/llvm/test/CodeGen/X86/shl_elim.ll new file mode 100644 index 00000000000..2e48e528c93 --- /dev/null +++ b/llvm/test/CodeGen/X86/shl_elim.ll @@ -0,0 +1,13 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep {movl 8(.esp), %eax} +; RUN: llvm-as < %s | llc -march=x86 | grep {shll .15, .eax} +; RUN: llvm-as < %s | llc -march=x86 | grep {sarl .16, .eax} + +define i32 @test1(i64 %a) { + %tmp29 = lshr i64 %a, 24 ; <i64> [#uses=1] + %tmp23 = trunc i64 %tmp29 to i32 ; <i32> [#uses=1] + %tmp410 = lshr i32 %tmp23, 9 ; <i32> [#uses=1] + %tmp45 = trunc i32 %tmp410 to i16 ; <i16> [#uses=1] + %tmp456 = sext i16 %tmp45 to i32 ; <i32> [#uses=1] + ret i32 %tmp456 +} + |
