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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/PowerPC/vsx-fma-m.ll
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/CodeGen/PowerPC/vsx-fma-m.ll')
-rw-r--r--test/CodeGen/PowerPC/vsx-fma-m.ll14
1 files changed, 10 insertions, 4 deletions
diff --git a/test/CodeGen/PowerPC/vsx-fma-m.ll b/test/CodeGen/PowerPC/vsx-fma-m.ll
index da4a204..9dff9a7 100644
--- a/test/CodeGen/PowerPC/vsx-fma-m.ll
+++ b/test/CodeGen/PowerPC/vsx-fma-m.ll
@@ -177,21 +177,27 @@ entry:
store <2 x double> %1, <2 x double>* %arrayidx3, align 8
ret void
+; Note: There is some unavoidable changeability in this variant. If the
+; FMAs are reordered differently, the algorithm can pick a different
+; multiplicand to destroy, changing the register assignment. There isn't
+; a good way to express this possibility, so hopefully this doesn't change
+; too often.
+
; CHECK-LABEL: @testv3
; CHECK-DAG: xxlor [[V1:[0-9]+]], 34, 34
-; CHECK-DAG: xvmaddmdp 37, 35, 34
; CHECK-DAG: li [[C1:[0-9]+]], 48
; CHECK-DAG: li [[C2:[0-9]+]], 32
-; CHECK-DAG: xvmaddadp 34, 35, 38
+; CHECK-DAG: xvmaddmdp 37, 35, 34
; CHECK-DAG: li [[C3:[0-9]+]], 16
; Note: We could convert this next FMA to M-type as well, but it would require
; re-ordering the instructions.
; CHECK-DAG: xvmaddadp [[V1]], 35, 36
-; CHECK-DAG: xvmaddmdp 35, 36, 37
+; CHECK-DAG: xvmaddmdp 36, 35, 37
+; CHECK-DAG: xvmaddadp 34, 35, 38
; CHECK-DAG: stxvd2x 32, 0, 3
-; CHECK-DAG: stxvd2x 35, 3, [[C1]]
+; CHECK-DAG: stxvd2x 36, 3, [[C1]]
; CHECK-DAG: stxvd2x 34, 3, [[C2]]
; CHECK-DAG: stxvd2x 37, 3, [[C3]]
; CHECK: blr