[fast-isel] Add support for selecting insertvalue.

rdar://10530851

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146276 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 94 insertions, 0 deletions

diff --git a/test/CodeGen/ARM/fast-isel-EH.ll b/test/CodeGen/ARM/fast-isel-EH.ll
new file mode 100644
index 0000000000..1e73dc4e5b
--- /dev/null
+++ b/test/CodeGen/ARM/fast-isel-EH.ll
@@ -0,0 +1,94 @@
+; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
+
+@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip"
+@llvm.used = appending global [1 x i8*] [i8* bitcast ([2 x i32]* @"\01L_OBJC_IMAGE_INFO" to i8*)], section "llvm.metadata"
+
+define i32 @f1(i32 %return_in_finally) {
+entry:
+  %retval = alloca i32, align 4
+  %return_in_finally.addr = alloca i32, align 4
+  %finally.for-eh = alloca i1
+  %cleanup.dest.slot = alloca i32
+  %exn.slot = alloca i8*
+  %ehselector.slot = alloca i32
+  store i32 %return_in_finally, i32* %return_in_finally.addr, align 4
+  store i1 false, i1* %finally.for-eh
+  %cleanup.dest.saved = load i32* %cleanup.dest.slot
+  %finally.shouldthrow = load i1* %finally.for-eh
+  br i1 %finally.shouldthrow, label %finally.rethrow, label %finally.cont
+
+finally.rethrow:                                  ; preds = %entry
+  invoke void @objc_exception_rethrow()
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:                                      ; preds = %finally.rethrow
+  unreachable
+
+finally.cont:                                     ; preds = %entry
+  store i32 %cleanup.dest.saved, i32* %cleanup.dest.slot
+  %0 = load i32* %retval
+  ret i32 %0
+
+lpad:                                             ; preds = %finally.rethrow
+  %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
+          cleanup
+  %2 = extractvalue { i8*, i32 } %1, 0
+  store i8* %2, i8** %exn.slot
+  %3 = extractvalue { i8*, i32 } %1, 1
+  store i32 %3, i32* %ehselector.slot
+  %finally.endcatch = load i1* %finally.for-eh
+  br i1 %finally.endcatch, label %finally.endcatch1, label %finally.cleanup.cont
+
+finally.endcatch1:                                ; preds = %lpad
+  invoke void @objc_end_catch()
+          to label %invoke.cont2 unwind label %terminate.lpad
+
+invoke.cont2:                                     ; preds = %finally.endcatch1
+  br label %finally.cleanup.cont
+
+finally.cleanup.cont:                             ; preds = %invoke.cont2, %lpad
+  br label %eh.resume
+
+eh.resume:                                        ; preds = %finally.cleanup.cont
+; ARM: eh.resume
+; ARM: mvn r0, #0
+; ARM: ldr r1, [sp, #84]
+; ARM: ldr r2, [sp, #80]
+; ARM: ldr r3, [sp, #72]
+; ARM: str r0, [r3]
+; ARM: str r1, [sp, #28]
+; ARM: str r2, [sp, #24]
+
+; THUMB: eh.resume
+; THUMB: movw r0, #65535
+; THUMB: movt r0, #65535
+; THUMB: ldr r1, [sp, #80]
+; THUMB: ldr r2, [sp, #76]
+; THUMB: ldr r3, [sp, #68]
+; THUMB: str r0, [r3]
+; THUMB: str r1, [sp, #24]
+; THUMB: str r2, [sp, #20]
+
+  %exn = load i8** %exn.slot
+  %sel = load i32* %ehselector.slot
+  %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
+  %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
+  resume { i8*, i32 } %lpad.val3
+
+terminate.lpad:                                   ; preds = %finally.endcatch1
+  %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
+          catch i8* null
+  call void @abort() noreturn nounwind
+  unreachable
+}
+
+declare i8* @objc_begin_catch(i8*)
+
+declare void @objc_end_catch()
+
+declare void @objc_exception_rethrow()
+
+declare i32 @__objc_personality_v0(...)
+
+declare void @abort()