From fff65b354f9895f5add84d99e0f62176f5d3f0f6 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 17 Apr 2011 01:16:47 +0000 Subject: 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 --- test/CodeGen/X86/fast-isel-x86-64.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/CodeGen/X86/fast-isel-x86-64.ll (limited to 'test/CodeGen/X86/fast-isel-x86-64.ll') 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, -- cgit v1.2.3