Fix unreachable-block removal.

Add a test for loop without a condition. Change-Id: Idd7fc462218a84b1e745207e2975a3f2897d30a0
2016-01-10 19:37:00 -05:00
parent 9c6734c8df
commit e537b8b488
5 changed files with 67 additions and 4 deletions
--- a/Test/baseResults/spv.for-notest.vert.out
+++ b/Test/baseResults/spv.for-notest.vert.out
@@ -0,0 +1,50 @@
+spv.for-notest.vert
+Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
+
+
+Linked vertex stage:
+
+
+// Module Version 10000
+// Generated by (magic number): 80001
+// Id's are bound by 22
+
+                              Capability Shader
+               1:             ExtInstImport  "GLSL.std.450"
+                              MemoryModel Logical GLSL450
+                              EntryPoint Vertex 4  "main" 14 20 21
+                              Source GLSL 450
+                              Name 4  "main"
+                              Name 8  "i"
+                              Name 14  "r"
+                              Name 20  "gl_VertexID"
+                              Name 21  "gl_InstanceID"
+                              Decorate 14(r) Location 0
+                              Decorate 20(gl_VertexID) BuiltIn VertexId
+                              Decorate 21(gl_InstanceID) BuiltIn InstanceId
+               2:             TypeVoid
+               3:             TypeFunction 2
+               6:             TypeInt 32 1
+               7:             TypePointer Function 6(int)
+               9:      6(int) Constant 0
+              13:             TypePointer Output 6(int)
+           14(r):     13(ptr) Variable Output
+              17:      6(int) Constant 1
+              19:             TypePointer Input 6(int)
+ 20(gl_VertexID):     19(ptr) Variable Input
+21(gl_InstanceID):     19(ptr) Variable Input
+         4(main):           2 Function None 3
+               5:             Label
+            8(i):      7(ptr) Variable Function
+                              Store 8(i) 9
+                              Branch 10
+              10:             Label
+              15:      6(int) Load 8(i)
+                              Store 14(r) 15
+                              Branch 12
+              12:             Label
+              16:      6(int) Load 8(i)
+              18:      6(int) IAdd 16 17
+                              Store 8(i) 18
+                              Branch 10
+                              FunctionEnd
--- a/Test/spv.for-notest.vert
+++ b/Test/spv.for-notest.vert
@@ -0,0 +1,6 @@
+#version 450
+layout(location=0) out highp int r;
+void main() {
+  int i;
+  for (i=0; ; i++) { r = i; }
+}