[AArch32] Add support for FP rounding operations for ARMv8/AArch32.

Phabricator Revision: http://reviews.llvm.org/D4935

llvm-svn: 215772

1 files changed, 110 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/ARM/arm32-rounding.ll b/llvm/test/CodeGen/ARM/arm32-rounding.ll
new file mode 100644
index 00000000000..00642b23fee
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/arm32-rounding.ll
@@ -0,0 +1,110 @@
+; RUN: llc < %s -mtriple=armv8-linux-gnueabihf -mattr=+fp-armv8 | FileCheck %s
+
+; CHECK-LABEL: test1
+; CHECK: vrintm.f32
+define float @test1(float %a) {
+entry:
+  %call = call float @floorf(float %a) nounwind readnone
+  ret float %call
+}
+
+; CHECK-LABEL: test2
+; CHECK: vrintm.f64
+define double @test2(double %a) {
+entry:
+  %call = call double @floor(double %a) nounwind readnone
+  ret double %call
+}
+
+; CHECK-LABEL: test3
+; CHECK: vrintp.f32
+define float @test3(float %a) {
+entry:
+  %call = call float @ceilf(float %a) nounwind readnone
+  ret float %call
+}
+
+; CHECK-LABEL: test4
+; CHECK: vrintp.f64
+define double @test4(double %a) {
+entry:
+  %call = call double @ceil(double %a) nounwind readnone
+  ret double %call
+}
+
+; CHECK-LABEL: test5
+; CHECK: vrinta.f32
+define float @test5(float %a) {
+entry:
+  %call = call float @roundf(float %a) nounwind readnone
+  ret float %call
+}
+
+; CHECK-LABEL: test6
+; CHECK: vrinta.f64
+define double @test6(double %a) {
+entry:
+  %call = call double @round(double %a) nounwind readnone
+  ret double %call
+}
+
+; CHECK-LABEL: test7
+; CHECK: vrintz.f32
+define float @test7(float %a) {
+entry:
+  %call = call float @truncf(float %a) nounwind readnone
+  ret float %call
+}
+
+; CHECK-LABEL: test8
+; CHECK: vrintz.f64
+define double @test8(double %a) {
+entry:
+  %call = call double @trunc(double %a) nounwind readnone
+  ret double %call
+}
+
+; CHECK-LABEL: test9
+; CHECK: vrintr.f32
+define float @test9(float %a) {
+entry:
+  %call = call float @nearbyintf(float %a) nounwind readnone
+  ret float %call
+}
+
+; CHECK-LABEL: test10
+; CHECK: vrintr.f64
+define double @test10(double %a) {
+entry:
+  %call = call double @nearbyint(double %a) nounwind readnone
+  ret double %call
+}
+
+; CHECK-LABEL: test11
+; CHECK: vrintx.f32
+define float @test11(float %a) {
+entry:
+  %call = call float @rintf(float %a) nounwind readnone
+  ret float %call
+}
+
+; CHECK-LABEL: test12
+; CHECK: vrintx.f64
+define double @test12(double %a) {
+entry:
+  %call = call double @rint(double %a) nounwind readnone
+  ret double %call
+}
+
+declare float @floorf(float) nounwind readnone
+declare double @floor(double) nounwind readnone
+declare float @ceilf(float) nounwind readnone
+declare double @ceil(double) nounwind readnone
+declare float @roundf(float) nounwind readnone
+declare double @round(double) nounwind readnone
+declare float @truncf(float) nounwind readnone
+declare double @trunc(double) nounwind readnone
+declare float @nearbyintf(float) nounwind readnone
+declare double @nearbyint(double) nounwind readnone
+declare float @rintf(float) nounwind readnone
+declare double @rint(double) nounwind readnone