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| author | Hal Finkel <hfinkel@anl.gov> | 2014-03-31 17:48:16 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2014-03-31 17:48:16 +0000 |
| commit | e2b375192478d8f6b20678bf79c27763a8e861b3 (patch) | |
| tree | ba22323b661548ea2d644d10a575f7b6528a69a9 /test/CodeGen/PowerPC | |
| parent | adbf9764ae9bc87026f42b6a04bdb14c60920ba2 (diff) | |
| download | llvm-e2b375192478d8f6b20678bf79c27763a8e861b3.tar.gz llvm-e2b375192478d8f6b20678bf79c27763a8e861b3.tar.bz2 llvm-e2b375192478d8f6b20678bf79c27763a8e861b3.tar.xz | |
[PowerPC] Don't ever expand BUILD_VECTOR of v2i64 with shuffles
If we have two unique values for a v2i64 build vector, this will always result
in two vector loads if we expand using shuffles. Only one is necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205231 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC')
| -rw-r--r-- | test/CodeGen/PowerPC/vsx.ll | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/test/CodeGen/PowerPC/vsx.ll b/test/CodeGen/PowerPC/vsx.ll index a1710938ab..9c37fe6d40 100644 --- a/test/CodeGen/PowerPC/vsx.ll +++ b/test/CodeGen/PowerPC/vsx.ll @@ -631,12 +631,13 @@ define <2 x i32> @test80(i32 %v) { ret <2 x i32> %i ; CHECK-LABEL: @test80 -; CHECK: addi -; CHECK: addi -; CHECK: lxvd2x +; CHECK-DAG: addi [[R1:[0-9]+]], 3, 3 +; CHECK-DAG: addi [[R2:[0-9]+]], 1, -16 +; CHECK-DAG: addi [[R3:[0-9]+]], 3, 2 +; CHECK: std [[R1]], 8([[R2]]) +; CHECK: std [[R3]], -16(1) +; CHECK: lxvd2x 34, 0, [[R2]] ; CHECK-NOT: stxvd2x -; FIXME: We still make one vector for each vector element and this shuffle them -; together instead of just composing one vector on the stack. ; CHECK: blr } |