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authorTom Stellard <thomas.stellard@amd.com>2013-07-12 18:15:08 +0000
committerTom Stellard <thomas.stellard@amd.com>2013-07-12 18:15:08 +0000
commitd2442c10f9bfe8a9d6cdcb28030d32deb5b192b1 (patch)
treeac1365c977003b8bbafb4a5891e95f3d856ccbf4 /test/CodeGen
parent54453c11b429a4f90f64bd83e113c69008cbd9ed (diff)
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R600/SI: Add double precision fsub pattern for SI
Patch by: Niels Ole Salscheider Reviewed-by: Tom Stellard <thomas.stellard@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186179 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/R600/fsub64.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/R600/fsub64.ll b/test/CodeGen/R600/fsub64.ll
new file mode 100644
index 0000000000..fa59dcc394
--- /dev/null
+++ b/test/CodeGen/R600/fsub64.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -march=r600 -mcpu=tahiti | FileCheck %s
+
+; CHECK: @fsub_f64
+; CHECK: V_ADD_F64 {{VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+}}, 0, 0, 0, 0, 2
+
+define void @fsub_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
+ double addrspace(1)* %in2) {
+ %r0 = load double addrspace(1)* %in1
+ %r1 = load double addrspace(1)* %in2
+ %r2 = fsub double %r0, %r1
+ store double %r2, double addrspace(1)* %out
+ ret void
+}