Add support for passing i1, i8, and i16 call parameters. Also, be sure to

zero-extend the constant integer encoding.  Test case provides testing for
both call parameters and materialization of i1, i8, and i16 types.

llvm-svn: 143821

1 files changed, 67 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/ARM/fast-isel-call.ll b/llvm/test/CodeGen/ARM/fast-isel-call.ll
new file mode 100644
index 00000000000..20046a32f99
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/fast-isel-call.ll
@@ -0,0 +1,67 @@
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
+
+define i32 @t0(i1 zeroext %a) nounwind {
+  %1 = zext i1 %a to i32
+  ret i32 %1
+}
+
+define i32 @t1(i8 signext %a) nounwind {
+  %1 = sext i8 %a to i32
+  ret i32 %1
+}
+
+define i32 @t2(i8 zeroext %a) nounwind {
+  %1 = zext i8 %a to i32
+  ret i32 %1
+}
+
+define i32 @t3(i16 signext %a) nounwind {
+  %1 = sext i16 %a to i32
+  ret i32 %1
+}
+
+define i32 @t4(i16 zeroext %a) nounwind {
+  %1 = zext i16 %a to i32
+  ret i32 %1
+}
+
+define void @foo(i8 %a, i16 %b) nounwind {
+; ARM: foo
+; THUMB: foo
+;; Materialize i1 1
+; ARM: movw r2, #1
+;; zero-ext
+; ARM: and r2, r2, #1
+; THUMB: and r2, r2, #1
+  %1 = call i32 @t0(i1 zeroext 1)
+; ARM: sxtb	r2, r1
+; ARM: mov r0, r2
+; THUMB: sxtb	r2, r1
+; THUMB: mov r0, r2
+  %2 = call i32 @t1(i8 signext %a)
+; ARM: uxtb	r2, r1
+; ARM: mov r0, r2
+; THUMB: uxtb	r2, r1
+; THUMB: mov r0, r2
+  %3 = call i32 @t2(i8 zeroext %a)
+; ARM: sxth	r2, r1
+; ARM: mov r0, r2
+; THUMB: sxth	r2, r1
+; THUMB: mov r0, r2
+  %4 = call i32 @t3(i16 signext %b)
+; ARM: uxth	r2, r1
+; ARM: mov r0, r2
+; THUMB: uxth	r2, r1
+; THUMB: mov r0, r2
+  %5 = call i32 @t4(i16 zeroext %b)
+
+;; A few test to check materialization
+;; Note: i1 1 was materialized with t1 call
+; ARM: movw r1, #255
+%6 = call i32 @t2(i8 zeroext 255)
+; ARM: movw r1, #65535
+; THUMB: movw r1, #65535
+%7 = call i32 @t4(i16 zeroext 65535)
+  ret void
+}