2 files changed, 48 insertions, 0 deletions
diff --git a/tests/cases/lifetime.ll b/tests/cases/lifetime.ll
new file mode 100644
index 00000000..dc6d471d
--- /dev/null
+++ b/tests/cases/lifetime.ll
@@ -0,0 +1,42 @@
+; ModuleID = '/tmp/emscripten/tmp/src.cpp.o'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
+target triple = "i386-pc-linux-gnu"
+
+%struct.vec2 = type { float, float }
+
+@.str = private unnamed_addr constant [15 x i8] c"hello, world!\0A\00" ; [#uses=1]
+
+; [#uses=1]
+declare i32 @printf(i8* noalias, ...)
+
+define linkonce_odr float @vec2Length(%struct.vec2* %this) nounwind align 2 {
+entry:
+  %__first.addr.i = alloca %struct.b2Pair.5*, align 4 ; [#uses=3 type=%struct.b2Pair.5**]
+  %__last.addr.i = alloca %struct.b2Pair.5*, align 4 ; [#uses=3 type=%struct.b2Pair.5**]
+  %__comp.addr.i = alloca %struct.b2Pair.5*, align 4 ; [#uses=2 type=%struct.b2Pair.5**]
+  %13 = bitcast %struct.vec2** %__first.addr.i to i8* ; [#uses=1 type=i8*]
+  call void @llvm.lifetime.start(i64 -1, i8* %13)
+  %14 = bitcast %struct.vec2** %__last.addr.i to i8* ; [#uses=1 type=i8*]
+  call void @llvm.lifetime.start(i64 -1, i8* %14)
+  %15 = bitcast i1 (%struct.vec2*, %struct.vec2*)** %__comp.addr.i to i8* ; [#uses=1 type=i8*]
+  call void @llvm.lifetime.start(i64 -1, i8* %15)
+  store %struct.vec2* %10, %struct.vec2** %__first.addr.i, align 4
+  store %struct.vec2* %add.ptr, %struct.vec2** %__last.addr.i, align 4
+  %18 = bitcast %struct.vec2** %__first.addr.i to i8* ; [#uses=1 type=i8*]
+  call void @llvm.lifetime.end(i64 -1, i8* %18)
+  %19 = bitcast %struct.vec2** %__last.addr.i to i8* ; [#uses=1 type=i8*]
+  call void @llvm.lifetime.end(i64 -1, i8* %19)
+  %20 = bitcast i1 (%struct.vec2*, %struct.vec2*)** %__comp.addr.i to i8* ; [#uses=1 type=i8*]
+  call void @llvm.lifetime.end(i64 -1, i8* %20)
+}
+
+define i32 @main() {
+entry:
+  %retval = alloca i32, align 4                   ; [#uses=1]
+  store i32 0, i32* %retval
+  %b = getelementptr inbounds i32* %retval, i32 0, i32 1 ; [#uses=1] ; force __stackBase__ to appear!
+  %call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([15 x i8]* @.str, i32 0, i32 0)) ; [#uses=0]
+  call i32 (i32)* @nonexistant(i32 %b) ; keep %b alive
+  ret i32 0
+}
+
diff --git a/tests/cases/lifetime.py b/tests/cases/lifetime.py
new file mode 100644
index 00000000..3bb9cbac
--- /dev/null
+++ b/tests/cases/lifetime.py
@@ -0,0 +1,6 @@
+if Settings.MICRO_OPTS:
+  assert '__stackBase__' in generated, 'There should be some stack activity (without which, we cannot do the next checks)'
+  assert '__stackBase__+4' not in generated, 'All variables should have been nativized'
+  assert '__stackBase__+8' not in generated, 'All variables should have been nativized'
+  assert 'comp_addr' not in generated, 'This variable should have been eliminated during analysis'
+