1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/load_i1_select.ll b/test/CodeGen/ARM/load_i1_select.ll
new file mode 100644
index 0000000..bdd4081
--- /dev/null
+++ b/test/CodeGen/ARM/load_i1_select.ll
@@ -0,0 +1,19 @@
+; RUN: llc < %s | FileCheck %s
+
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
+target triple = "thumbv7-apple-ios0.0.0"
+
+; Codegen should only compare one bit of the loaded value.
+; rdar://10887484
+
+; CHECK: foo:
+; CHECK: ldrb r[[R0:[0-9]+]], [r0]
+; CHECK: tst.w r[[R0]], #1
+define void @foo(i8* %call, double* %p) nounwind {
+entry:
+  %tmp2 = load i8* %call
+  %tmp3 = trunc i8 %tmp2 to i1
+  %cond = select i1 %tmp3, double 2.000000e+00, double 1.000000e+00
+  store double %cond, double* %p
+  ret void
+}