[Sparc] Allow taking of function address into a register.
Modification of previously existing code (variable rename only), with unit test added.
Differential Revision: http://reviews.llvm.org/D19368
llvm-svn: 268493
diff --git a/llvm/test/CodeGen/SPARC/func-addr.ll b/llvm/test/CodeGen/SPARC/func-addr.ll
new file mode 100644
index 0000000..3d1cd9c
--- /dev/null
+++ b/llvm/test/CodeGen/SPARC/func-addr.ll
@@ -0,0 +1,51 @@
+; RUN: llc < %s -march=sparc -relocation-model=static -code-model=small | FileCheck --check-prefix=abs32 %s
+; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=small | FileCheck --check-prefix=abs32 %s
+; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=medium | FileCheck --check-prefix=abs44 %s
+; RUN: llc < %s -march=sparcv9 -relocation-model=static -code-model=large | FileCheck --check-prefix=abs64 %s
+; RUN: llc < %s -march=sparc -relocation-model=pic -code-model=medium | FileCheck --check-prefix=v8pic32 %s
+; RUN: llc < %s -march=sparcv9 -relocation-model=pic -code-model=medium | FileCheck --check-prefix=v9pic32 %s
+
+define void @func1() #0 {
+entry:
+ ret void
+}
+
+define void @test() #0 {
+entry:
+ %pFunc = alloca void (...)*, align 4
+ store void (...)* bitcast (void ()* @func1 to void (...)*), void (...)** %pFunc, align 4
+ %0 = load void (...)*, void (...)** %pFunc, align 4
+ %callee.knr.cast = bitcast void (...)* %0 to void ()*
+ call void %callee.knr.cast()
+
+; abs32-LABEL: test
+; abs32: sethi %hi(func1), %i0
+; abs32: add %i0, %lo(func1), %i1
+; abs32: call %i0+%lo(func1)
+
+; abs44-LABEL: test
+; abs44: sethi %h44(func1), %i0
+; abs44: add %i0, %m44(func1), %i0
+; abs44: sllx %i0, 12, %i0
+; abs44: add %i0, %l44(func1), %i1
+; abs44: call %i0+%l44(func1)
+
+; abs64-LABEL: test
+; abs64: sethi %hi(func1), %i0
+; abs64: add %i0, %lo(func1), %i0
+; abs64: sethi %hh(func1), %i1
+; abs64: add %i1, %hm(func1), %i1
+
+; v8pic32-LABEL: test
+; v8pic32: sethi %hi(func1), %i1
+; v8pic32: add %i1, %lo(func1), %i1
+; v8pic32: ld [%i0+%i1], %i0
+
+; v9pic32-LABEL: test
+; v9pic32: sethi %hi(func1), %i1
+; v9pic32: add %i1, %lo(func1), %i1
+; v9pic32: ldx [%i0+%i1], %i0
+; v9pic32: call %i0
+
+ ret void
+}