1 files changed, 117 insertions, 0 deletions
diff --git a/test/CodeGen/BPF/sanity.ll b/test/CodeGen/BPF/sanity.ll
new file mode 100644
index 0000000..db63c07
--- /dev/null
+++ b/test/CodeGen/BPF/sanity.ll
@@ -0,0 +1,117 @@
+; RUN: llc < %s -march=bpf | FileCheck %s
+
+@foo_printf.fmt = private unnamed_addr constant [9 x i8] c"hello  \0A\00", align 1
+
+; Function Attrs: nounwind readnone uwtable
+define i32 @foo_int(i32 %a, i32 %b) #0 {
+  %1 = add nsw i32 %b, %a
+  ret i32 %1
+; CHECK-LABEL: foo_int:
+; CHECK: add  r2, r1
+}
+
+; Function Attrs: nounwind readnone uwtable
+define signext i8 @foo_char(i8 signext %a, i8 signext %b) #0 {
+  %1 = add i8 %b, %a
+  ret i8 %1
+; CHECK-LABEL: foo_char:
+; CHECK: add  r2, r1
+; CHECK: slli  r2, 56
+; CHECK: srai  r2, 56
+}
+
+; Function Attrs: nounwind readnone uwtable
+define i64 @foo_ll(i64 %a, i64 %b, i64 %c) #0 {
+  %1 = add nsw i64 %b, %a
+  %2 = sub i64 %1, %c
+  ret i64 %2
+; CHECK-LABEL: foo_ll:
+; CHECK: add  r2, r1
+; CHECK: sub  r2, r3
+; CHECK: mov  r0, r2
+}
+
+; Function Attrs: nounwind uwtable
+define void @foo_call2(i32 %a, i32 %b) #1 {
+  %1 = trunc i32 %b to i8
+  tail call void @foo_2arg(i8 signext %1, i32 %a) #3
+  ret void
+; CHECK-LABEL: foo_call2:
+; CHECK: slli  r2, 56
+; CHECK: srai  r2, 56
+; CHECK: mov  r1, r2
+}
+
+declare void @foo_2arg(i8 signext, i32) #2
+
+; Function Attrs: nounwind uwtable
+define i32 @foo_call5(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #1 {
+  %1 = tail call i32 @bar(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #3
+  ret i32 0
+; CHECK-LABEL: foo_call5:
+; CHECK: call bar
+}
+
+declare i32 @bar(i8 signext, i16 signext, i32, i64) #2
+
+; Function Attrs: nounwind readnone uwtable
+define signext i8 @foo_cmp(i8 signext %a, i8 signext %b) #0 {
+  %1 = icmp slt i8 %a, %b
+  %a.b = select i1 %1, i8 %a, i8 %b
+  ret i8 %a.b
+; CHECK-LABEL: foo_cmp:
+; CHECK: jsgt  r2, r1
+}
+
+; Function Attrs: nounwind readnone uwtable
+define i32 @foo_muldiv(i8 signext %a, i16 signext %b, i32 %c, i64 %d) #0 {
+  %1 = icmp eq i8 %a, 0
+  br i1 %1, label %5, label %2
+
+; <label>:2                                       ; preds = %0
+  %3 = sext i16 %b to i32
+  %4 = mul nsw i32 %3, %c
+  br label %8
+
+; <label>:5                                       ; preds = %0
+  %6 = trunc i64 %d to i32
+  %7 = udiv i32 %6, %c
+  br label %8
+
+; <label>:8                                       ; preds = %5, %2
+  %.0 = phi i32 [ %4, %2 ], [ %7, %5 ]
+  ret i32 %.0
+; CHECK-LABEL: foo_muldiv:
+; CHECK: mul r2, r3
+}
+
+; Function Attrs: nounwind uwtable
+define i32 @foo_optimized() #1 {
+  %1 = tail call i32 @manyarg(i32 1, i32 2, i32 3, i32 4, i32 5) #3
+  ret i32 %1
+; CHECK-LABEL: foo_optimized:
+; CHECK: mov r1, 1
+; CHECK: mov r2, 2
+; CHECK: mov r3, 3
+; CHECK: mov r4, 4
+; CHECK: mov r5, 5
+}
+
+declare i32 @manyarg(i32, i32, i32, i32, i32) #2
+
+; Function Attrs: nounwind uwtable
+define void @foo_printf() #1 {
+  %fmt = alloca [9 x i8], align 1
+  %1 = getelementptr inbounds [9 x i8]* %fmt, i64 0, i64 0
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* getelementptr inbounds ([9 x i8]* @foo_printf.fmt, i64 0, i64 0), i64 9, i32 1, i1 false)
+; CHECK-LABEL: foo_printf:
+; CHECK: ld_64 r1, 729618802566522216
+  %2 = call i32 (i8*, ...)* @printf(i8* %1) #3
+  ret void
+}
+
+; Function Attrs: nounwind
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) #3
+
+; Function Attrs: nounwind
+declare i32 @printf(i8* nocapture, ...) #4