From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 15 Aug 2012 19:34:23 +0000
Subject: Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
---
test/CodeGen/Mips/inlineasm-cnstrnt-reg.ll | 44 ++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 test/CodeGen/Mips/inlineasm-cnstrnt-reg.ll
(limited to 'test/CodeGen/Mips/inlineasm-cnstrnt-reg.ll')
diff --git a/test/CodeGen/Mips/inlineasm-cnstrnt-reg.ll b/test/CodeGen/Mips/inlineasm-cnstrnt-reg.ll
new file mode 100644
index 0000000..94ded30
--- /dev/null
+++ b/test/CodeGen/Mips/inlineasm-cnstrnt-reg.ll
@@ -0,0 +1,44 @@
+; Positive test for inline register constraints
+;
+; RUN: llc -march=mipsel < %s | FileCheck %s
+
+define i32 @main() nounwind {
+entry:
+
+; r with char
+;CHECK: #APP
+;CHECK: addi ${{[0-9]+}},${{[0-9]+}},23
+;CHECK: #NO_APP
+ tail call i8 asm sideeffect "addi $0,$1,$2", "=r,r,n"(i8 27, i8 23) nounwind
+
+; r with short
+;CHECK: #APP
+;CHECK: addi ${{[0-9]+}},${{[0-9]+}},13
+;CHECK: #NO_APP
+ tail call i16 asm sideeffect "addi $0,$1,$2", "=r,r,n"(i16 17, i16 13) nounwind
+
+; r with int
+;CHECK: #APP
+;CHECK: addi ${{[0-9]+}},${{[0-9]+}},3
+;CHECK: #NO_APP
+ tail call i32 asm sideeffect "addi $0,$1,$2", "=r,r,n"(i32 7, i32 3) nounwind
+
+; Now c with 1024: make sure register $25 is picked
+; CHECK: #APP
+; CHECK: addi $25,${{[0-9]+}},1024
+; CHECK: #NO_APP
+ tail call i32 asm sideeffect "addi $0,$1,$2", "=c,c,I"(i32 4194304, i32 1024) nounwind
+
+; Now l with 1024: make sure register lo is picked. We do this by checking the instruction
+; after the inline expression for a mflo to pull the value out of lo.
+; CHECK: #APP
+; CHECK-NEXT: mtlo ${{[0-9]+}}
+; CHECK-NEXT: madd ${{[0-9]+}},${{[0-9]+}}
+; CHECK-NEXT: #NO_APP
+; CHECK-NEXT: mflo ${{[0-9]+}}
+ %bosco = alloca i32, align 4
+ call i32 asm sideeffect "\09mtlo $3 \0A\09\09madd $1,$2 ", "=l,r,r,r"(i32 7, i32 6, i32 44) nounwind
+ store volatile i32 %4, i32* %bosco, align 4
+
+ ret i32 0
+}
--
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