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| author | Chris Lattner <sabre@nondot.org> | 2011-04-17 01:16:47 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-04-17 01:16:47 +0000 |
| commit | fff65b354f9895f5add84d99e0f62176f5d3f0f6 (patch) | |
| tree | 94d879162095deda57da346bc75171306148b6f3 /test/CodeGen/X86/fast-isel-x86-64.ll | |
| parent | e545d38a2871dd4fc93802d9405373325baf1e21 (diff) | |
| download | llvm-fff65b354f9895f5add84d99e0f62176f5d3f0f6.tar.gz llvm-fff65b354f9895f5add84d99e0f62176f5d3f0f6.tar.bz2 llvm-fff65b354f9895f5add84d99e0f62176f5d3f0f6.tar.xz | |
fix rdar://9289583 - fast isel should handle non-canonical commutative binops
allowing us to fold the immediate into the 'and' in this case:
int test1(int i) {
return 8&i;
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129653 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/fast-isel-x86-64.ll')
| -rw-r--r-- | test/CodeGen/X86/fast-isel-x86-64.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-isel-x86-64.ll b/test/CodeGen/X86/fast-isel-x86-64.ll new file mode 100644 index 0000000000..b2d1263ca7 --- /dev/null +++ b/test/CodeGen/X86/fast-isel-x86-64.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s | FileCheck %s + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" +target triple = "x86_64-apple-darwin10.0.0" + +; Make sure that fast-isel folds the immediate into the binop even though it +; is non-canonical. +define i32 @test1(i32 %i) nounwind ssp { + %and = and i32 8, %i + ret i32 %and +} + +; CHECK: test1: +; CHECK: andl $8, |