Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Integer/fold-fpcast_bt.ll

@@ -0,0 +1,34 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+; CHECK-NOT: bitcast
+
+define i60 @test1() {
+   ret i60 fptoui(float 0x400D9999A0000000 to i60)
+}
+
+define float @test2() {
+  ret float uitofp(i60 17 to float)
+}
+
+define i64 @test3() {
+  ret i64 bitcast (double 0x400921FB4D12D84A to i64)
+}
+
+define double @test4() {
+  ret double bitcast (i64 42 to double)
+}
+
+define i30 @test5() {
+  ret i30 fptoui(float 0x400D9999A0000000 to i30)
+}
+
+define float @test6() {
+  ret float uitofp(i30 17 to float)
+}
+
+define i64 @test7() {
+  ret i64 bitcast (double 0x400921FB4D12D84A to i64)
+}
+
+define double @test8() {
+  ret double bitcast (i64 42 to double)
+}