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authorChris Lattner <sabre@nondot.org>2011-04-17 01:16:47 +0000
committerChris Lattner <sabre@nondot.org>2011-04-17 01:16:47 +0000
commitfba7ca63cc934e52e6bf5d682755c2e99614c8da (patch)
tree999fbb5fb2668df6d030763f4caec6b82352aa4e /llvm/test/CodeGen/X86/fast-isel-x86-64.ll
parentbc204c8043167f52f6b7f7498f33fe2efc0c1854 (diff)
downloadbcm5719-llvm-fba7ca63cc934e52e6bf5d682755c2e99614c8da.tar.gz
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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.ll14
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,
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