Vendor import of llvm trunk r300422:vendor/llvm/llvm-trunk-r300422

https://llvm.org/svn/llvm-project/llvm/trunk@300422

1 files changed, 44 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/fpscr-intrinsics.ll b/test/CodeGen/ARM/fpscr-intrinsics.ll
new file mode 100644
index 000000000000..64b97525febf
--- /dev/null
+++ b/test/CodeGen/ARM/fpscr-intrinsics.ll
@@ -0,0 +1,44 @@
+; RUN: llc < %s -O0 -mtriple=armv7-eabi -mcpu=cortex-a8 -mattr=+neon,+fp-armv8 | FileCheck %s
+; RUN: llc < %s -O3 -mtriple=armv7-eabi -mcpu=cortex-a8 -mattr=+neon,+fp-armv8 | FileCheck %s
+
+@a = common global double 0.000000e+00, align 8
+
+; Function Attrs: noinline nounwind uwtable
+define void @strtod() {
+entry:
+  ; CHECK: vmrs r{{[0-9]+}}, fpscr
+  %0 = call i32 @llvm.flt.rounds()
+  %tobool = icmp ne i32 %0, 0
+  br i1 %tobool, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry
+  store double 5.000000e-01, double* @a, align 8
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret void
+}
+
+; Function Attrs: nounwind
+define void @fn1(i32* nocapture %p) local_unnamed_addr {
+entry:
+  ; CHECK: vmrs r{{[0-9]+}}, fpscr
+  %0 = tail call i32 @llvm.arm.get.fpscr()
+  store i32 %0, i32* %p, align 4
+  ; CHECK: vmsr fpscr, r{{[0-9]+}}
+  tail call void @llvm.arm.set.fpscr(i32 1)
+  ; CHECK: vmrs r{{[0-9]+}}, fpscr
+  %1 = tail call i32 @llvm.arm.get.fpscr()
+  %arrayidx1 = getelementptr inbounds i32, i32* %p, i32 1
+  store i32 %1, i32* %arrayidx1, align 4
+  ret void
+}
+
+; Function Attrs: nounwind readonly
+declare i32 @llvm.arm.get.fpscr()
+
+; Function Attrs: nounwind writeonly
+declare void @llvm.arm.set.fpscr(i32)
+
+; Function Attrs: nounwind
+declare i32 @llvm.flt.rounds()