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authorDan Gohman <gohman@apple.com>2009-03-14 17:09:17 +0000
committerDan Gohman <gohman@apple.com>2009-03-14 17:09:17 +0000
commitc1317939045d1907f1e4a20315feceb0afa384a2 (patch)
tree133eb060fd6127555612613aceb20462a4aed2d5 /test/Assembler/vector-shift.ll
parent8d8ba38f98c465a0d95501361561baecbc104d59 (diff)
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Apply a patch by Micah Villmow to fix AsmParser to accept vector
shift constant expressions, and add support for folding vector shift constant expressions. This fixes PR3802. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67010 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Assembler/vector-shift.ll')
-rw-r--r--test/Assembler/vector-shift.ll17
1 files changed, 14 insertions, 3 deletions
diff --git a/test/Assembler/vector-shift.ll b/test/Assembler/vector-shift.ll
index 3b2c07c..1850e66 100644
--- a/test/Assembler/vector-shift.ll
+++ b/test/Assembler/vector-shift.ll
@@ -1,6 +1,6 @@
-; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | grep shl
-; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | grep ashr
-; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | grep lshr
+; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | grep shl | count 1
+; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | grep ashr | count 1
+; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | grep lshr | count 1
define <4 x i32> @foo(<4 x i32> %a, <4 x i32> %b) nounwind {
entry:
@@ -19,3 +19,14 @@ entry:
%cmp = ashr <4 x i32> %a, %b ; <4 x i32> [#uses=1]
ret <4 x i32> %cmp
}
+
+; Constant expressions: these should be folded.
+define <2 x i64> @foo_ce() nounwind {
+ ret <2 x i64> shl (<2 x i64> <i64 5, i64 6>, <2 x i64> <i64 3, i64 5>)
+}
+define <2 x i64> @bar_ce() nounwind {
+ ret <2 x i64> lshr (<2 x i64> <i64 340, i64 380>, <2 x i64> <i64 3, i64 5>)
+}
+define <2 x i64> @baz_ce() nounwind {
+ ret <2 x i64> ashr (<2 x i64> <i64 573, i64 411>, <2 x i64> <i64 3, i64 5>)
+}