Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Analysis/CostModel/no_info.ll

@@ -0,0 +1,31 @@
+; RUN: opt < %s -cost-model -analyze | FileCheck %s
+
+; The cost model does not have any target information so it just makes boring
+; assumptions.
+
+; -- No triple in this module --
+
+; CHECK-LABEL: function 'no_info'
+; CHECK: cost of 1 {{.*}} add
+; CHECK: cost of 1 {{.*}} ret
+define i32 @no_info(i32 %arg) {
+  %e = add i32 %arg, %arg
+  ret i32 %e
+}
+
+define i8 @addressing_mode_reg_reg(i8* %a, i32 %b) {
+; CHECK-LABEL: function 'addressing_mode_reg_reg'
+  %p = getelementptr i8, i8* %a, i32 %b ; NoTTI accepts reg+reg addressing.
+; CHECK: cost of 0 {{.*}} getelementptr
+  %v = load i8, i8* %p
+  ret i8 %v
+}
+
+; CHECK-LABEL: function 'addressing_mode_scaled_reg'
+define i32 @addressing_mode_scaled_reg(i32* %a, i32 %b) {
+  ; NoTTI rejects reg+scale*reg addressing.
+  %p = getelementptr i32, i32* %a, i32 %b
+; CHECK: cost of 1 {{.*}} getelementptr
+  %v = load i32, i32* %p
+  ret i32 %v
+}