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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 | fba7ca63cc934e52e6bf5d682755c2e99614c8da (patch) | |
| tree | 999fbb5fb2668df6d030763f4caec6b82352aa4e /llvm/test/CodeGen/X86/fast-isel-x86-64.ll | |
| parent | bc204c8043167f52f6b7f7498f33fe2efc0c1854 (diff) | |
| download | bcm5719-llvm-fba7ca63cc934e52e6bf5d682755c2e99614c8da.tar.gz bcm5719-llvm-fba7ca63cc934e52e6bf5d682755c2e99614c8da.zip | |
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;
}
llvm-svn: 129653
Diffstat (limited to 'llvm/test/CodeGen/X86/fast-isel-x86-64.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-x86-64.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-x86-64.ll b/llvm/test/CodeGen/X86/fast-isel-x86-64.ll new file mode 100644 index 00000000000..b2d1263ca77 --- /dev/null +++ b/llvm/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, |
