[AArch32] Add patterns for VCVT{A,N,P,M}.

Patterns for lowering libm calls to VCVT{A,N,P,M} are also included.
Phabricator Revision: http://reviews.llvm.org/D5033

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216388 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 117 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/arm32-round-conv.ll b/test/CodeGen/ARM/arm32-round-conv.ll
new file mode 100644
index 000000000000..88fb891a8efb
--- /dev/null
+++ b/test/CodeGen/ARM/arm32-round-conv.ll
@@ -0,0 +1,117 @@
+; RUN: llc < %s -mtriple=armv8-linux-gnueabi -mattr=+fp-armv8 | FileCheck %s
+; RUN: llc < %s -mtriple=armv8-linux-gnueabihf -mattr=+fp-armv8 | FileCheck %s
+
+; CHECK-LABEL: test1
+; CHECK: vcvtm.s32.f32
+define i32 @test1(float %a) {
+entry:
+  %call = call float @floorf(float %a) nounwind readnone
+  %conv = fptosi float %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test2
+; CHECK: vcvtm.u32.f32
+define i32 @test2(float %a) {
+entry:
+  %call = call float @floorf(float %a) nounwind readnone
+  %conv = fptoui float %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test3
+; CHECK: vcvtm.s32.f64
+define i32 @test3(double %a) {
+entry:
+  %call = call double @floor(double %a) nounwind readnone
+  %conv = fptosi double %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test4
+; CHECK: vcvtm.u32.f64
+define i32 @test4(double %a) {
+entry:
+  %call = call double @floor(double %a) nounwind readnone
+  %conv = fptoui double %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test5
+; CHECK: vcvtp.s32.f32
+define i32 @test5(float %a) {
+entry:
+  %call = call float @ceilf(float %a) nounwind readnone
+  %conv = fptosi float %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test6
+; CHECK: vcvtp.u32.f32
+define i32 @test6(float %a) {
+entry:
+  %call = call float @ceilf(float %a) nounwind readnone
+  %conv = fptoui float %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test7
+; CHECK: vcvtp.s32.f64
+define i32 @test7(double %a) {
+entry:
+  %call = call double @ceil(double %a) nounwind readnone
+  %conv = fptosi double %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test8
+; CHECK: vcvtp.u32.f64
+define i32 @test8(double %a) {
+entry:
+  %call = call double @ceil(double %a) nounwind readnone
+  %conv = fptoui double %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test9
+; CHECK: vcvta.s32.f32
+define i32 @test9(float %a) {
+entry:
+  %call = call float @roundf(float %a) nounwind readnone
+  %conv = fptosi float %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test10
+; CHECK: vcvta.u32.f32
+define i32 @test10(float %a) {
+entry:
+  %call = call float @roundf(float %a) nounwind readnone
+  %conv = fptoui float %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test11
+; CHECK: vcvta.s32.f64
+define i32 @test11(double %a) {
+entry:
+  %call = call double @round(double %a) nounwind readnone
+  %conv = fptosi double %call to i32
+  ret i32 %conv
+}
+
+; CHECK-LABEL: test12
+; CHECK: vcvta.u32.f64
+define i32 @test12(double %a) {
+entry:
+  %call = call double @round(double %a) nounwind readnone
+  %conv = fptoui double %call to i32
+  ret i32 %conv
+}
+
+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