It's not necessary to do rounding for alloca operations when the requested

alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/test/Feature/newcasts.ll b/test/Feature/newcasts.ll
new file mode 100644
index 0000000..d237157
--- /dev/null
+++ b/test/Feature/newcasts.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+define void @"NewCasts" (i16 %x) {
+  %a = zext i16 %x to i32
+  %b = sext i16 %x to i32
+  %c = trunc i16 %x to i8
+  %d = uitofp i16 %x to float
+  %e = sitofp i16 %x to double
+  %f = fptoui float %d to i16
+  %g = fptosi double %e to i16
+  %i = fpext float %d to double
+  %j = fptrunc double %i to float
+  %k = bitcast i32 %a to float
+  %l = inttoptr i16 %x to i32*
+  %m = ptrtoint i32* %l to i64
+  ret void
+}
+
+
+define i16 @"ZExtConst" () {
+  ret i16 trunc ( i32 zext ( i16 42 to i32) to i16 )
+}
+
+define i16 @"SExtConst" () {
+  ret i16 trunc (i32 sext (i16 42 to i32) to i16 )
+}