Add test case for r137711.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137725 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Mips/mips1f64ldst.ll b/test/CodeGen/Mips/mips1f64ldst.ll
new file mode 100644 (file)
index 0000000..1860755
--- /dev/null
+++ b/test/CodeGen/Mips/mips1f64ldst.ll
@@ -0,0 +1,36 @@
+; RUN: llc  < %s -march=mipsel  | FileCheck %s -check-prefix=CHECK-EL
+; RUN: llc  < %s -march=mips  | FileCheck %s -check-prefix=CHECK-EB
+
+@g1 = common global double 0.000000e+00, align 8
+@g2 = common global double 0.000000e+00, align 8
+
+define double @foo0(double %d0) nounwind {
+entry:
+; CHECK-EL: lw  $[[R0:[0-9]+]], %got($CPI0_0)
+; CHECK-EL: lwc1  $f[[R1:[0-9]+]], %lo($CPI0_0)($[[R0]])
+; CHECK-EL: lwc1  $f{{[0-9]+}}, %lo($CPI0_0+4)($[[R0]])
+; CHECK-EL: add.d $f[[R2:[0-9]+]], $f12, $f[[R1]]
+; CHECK-EL: lw  $[[R3:[0-9]+]], %got(g1)
+; CHECK-EL: swc1  $f[[R2]], 0($[[R3]])
+; CHECK-EL: swc1  $f{{[0-9]+}}, 4($[[R3]])
+; CHECK-EL: lw  $[[R4:[0-9]+]], %got(g2)
+; CHECK-EL: lwc1  $f0, 0($[[R4]])
+; CHECK-EL: lwc1  $f1, 4($[[R4]])
+
+; CHECK-EB: lw  $[[R0:[0-9]+]], %got($CPI0_0)
+; CHECK-EB: lwc1  $f{{[0-9]+}}, %lo($CPI0_0)($[[R0]])
+; CHECK-EB: lwc1  $f[[R1:[0-9]+]], %lo($CPI0_0+4)($[[R0]])
+; CHECK-EB: add.d $f[[R2:[0-9]+]], $f12, $f[[R1]]
+; CHECK-EB: lw  $[[R3:[0-9]+]], %got(g1)
+; CHECK-EB: swc1  $f{{[0-9]+}}, 0($[[R3]])
+; CHECK-EB: swc1  $f[[R2]], 4($[[R3]])
+; CHECK-EB: lw  $[[R4:[0-9]+]], %got(g2)
+; CHECK-EB: lwc1  $f1, 0($[[R4]])
+; CHECK-EB: lwc1  $f0, 4($[[R4]])
+
+  %add = fadd double %d0, 2.000000e+00
+  store double %add, double* @g1, align 8
+  %tmp1 = load double* @g2, align 8
+  ret double %tmp1
+}
+