1 files changed, 100 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-fast-isel-call.ll b/test/CodeGen/AArch64/arm64-fast-isel-call.ll
new file mode 100644
index 0000000000..8d756ae546
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-fast-isel-call.ll
@@ -0,0 +1,100 @@
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=arm64-apple-darwin | FileCheck %s
+; RUN: llc < %s -O0 -fast-isel-abort -mtriple=arm64_be-linux-gnu | FileCheck %s --check-prefix=CHECK-BE
+
+define void @call0() nounwind {
+entry:
+  ret void
+}
+
+define void @foo0() nounwind {
+entry:
+; CHECK: foo0
+; CHECK: bl _call0
+  call void @call0()
+  ret void
+}
+
+define i32 @call1(i32 %a) nounwind {
+entry:
+  %a.addr = alloca i32, align 4
+  store i32 %a, i32* %a.addr, align 4
+  %tmp = load i32* %a.addr, align 4
+  ret i32 %tmp
+}
+
+define i32 @foo1(i32 %a) nounwind {
+entry:
+; CHECK: foo1
+; CHECK: stur w0, [x29, #-4]
+; CHECK-NEXT: ldur w0, [x29, #-4]
+; CHECK-NEXT: bl _call1
+  %a.addr = alloca i32, align 4
+  store i32 %a, i32* %a.addr, align 4
+  %tmp = load i32* %a.addr, align 4
+  %call = call i32 @call1(i32 %tmp)
+  ret i32 %call
+}
+
+define i32 @sext_(i8 %a, i16 %b) nounwind {
+entry:
+; CHECK: @sext_
+; CHECK: sxtb w0, w0
+; CHECK: sxth w1, w1
+; CHECK: bl _foo_sext_
+  call void @foo_sext_(i8 signext %a, i16 signext %b)
+  ret i32 0
+}
+
+declare void @foo_sext_(i8 %a, i16 %b)
+
+define i32 @zext_(i8 %a, i16 %b) nounwind {
+entry:
+; CHECK: @zext_
+; CHECK: uxtb w0, w0
+; CHECK: uxth w1, w1
+  call void @foo_zext_(i8 zeroext %a, i16 zeroext %b)
+  ret i32 0
+}
+
+declare void @foo_zext_(i8 %a, i16 %b)
+
+define i32 @t1(i32 %argc, i8** nocapture %argv) {
+entry:
+; CHECK: @t1
+; The last parameter will be passed on stack via i8.
+; CHECK: strb w{{[0-9]+}}, [sp]
+; CHECK-NEXT: bl _bar
+  %call = call i32 @bar(i8 zeroext 0, i8 zeroext -8, i8 zeroext -69, i8 zeroext 28, i8 zeroext 40, i8 zeroext -70, i8 zeroext 28, i8 zeroext 39, i8 zeroext -41)
+  ret i32 0
+}
+
+declare i32 @bar(i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext, i8 zeroext)
+
+; Test materialization of integers.  Target-independent selector handles this.
+define i32 @t2() {
+entry:
+; CHECK: @t2
+; CHECK: movz x0, #0
+; CHECK: orr w1, wzr, #0xfffffff8
+; CHECK: orr w[[REG:[0-9]+]], wzr, #0x3ff
+; CHECK: orr w[[REG2:[0-9]+]], wzr, #0x2
+; CHECK: movz w[[REG3:[0-9]+]], #0
+; CHECK: orr w[[REG4:[0-9]+]], wzr, #0x1
+; CHECK: uxth w2, w[[REG]]
+; CHECK: sxtb w3, w[[REG2]]
+; CHECK: and w4, w[[REG3]], #0x1
+; CHECK: and w5, w[[REG4]], #0x1
+; CHECK: bl	_func2
+  %call = call i32 @func2(i64 zeroext 0, i32 signext -8, i16 zeroext 1023, i8 signext -254, i1 zeroext 0, i1 zeroext 1)
+  ret i32 0
+}
+
+declare i32 @func2(i64 zeroext, i32 signext, i16 zeroext, i8 signext, i1 zeroext, i1 zeroext)
+
+declare void @callee_b0f(i8 %bp10, i8 %bp11, i8 %bp12, i8 %bp13, i8 %bp14, i8 %bp15, i8 %bp17, i8 %bp18, i8 %bp19)
+define void @caller_b1f() {
+entry:
+  ; CHECK-BE: strb w{{.*}}, [sp, #7]
+  call void @callee_b0f(i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 42)
+  ret void
+}