1 files changed, 107 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vector-casts.ll b/test/Transforms/InstCombine/vector-casts.ll
new file mode 100644
index 0000000..470d485
--- /dev/null
+++ b/test/Transforms/InstCombine/vector-casts.ll
@@ -0,0 +1,107 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+; This turns into a&1 != 0
+define <2 x i1> @test1(<2 x i64> %a) {
+  %t = trunc <2 x i64> %a to <2 x i1>
+  ret <2 x i1> %t
+
+; CHECK: @test1
+; CHECK:   and <2 x i64> %a, <i64 1, i64 1>
+; CHECK:   icmp ne <2 x i64> %tmp, zeroinitializer
+}
+
+; The ashr turns into an lshr.
+define <2 x i64> @test2(<2 x i64> %a) {
+  %b = and <2 x i64> %a, <i64 65535, i64 65535>
+  %t = ashr <2 x i64> %b, <i64 1, i64 1>
+  ret <2 x i64> %t
+
+; CHECK: @test2
+; CHECK:   and <2 x i64> %a, <i64 65535, i64 65535>
+; CHECK:   lshr <2 x i64> %b, <i64 1, i64 1>
+}
+
+
+
+define <2 x i64> @test3(<4 x float> %a, <4 x float> %b) nounwind readnone {
+entry:
+	%cmp = fcmp ord <4 x float> %a, zeroinitializer	
+	%sext = sext <4 x i1> %cmp to <4 x i32>	
+	%cmp4 = fcmp ord <4 x float> %b, zeroinitializer
+	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
+	%and = and <4 x i32> %sext, %sext5
+	%conv = bitcast <4 x i32> %and to <2 x i64>
+	ret <2 x i64> %conv
+        
+; CHECK: @test3
+; CHECK:   fcmp ord <4 x float> %a, %b
+}
+
+define <2 x i64> @test4(<4 x float> %a, <4 x float> %b) nounwind readnone {
+entry:
+	%cmp = fcmp uno <4 x float> %a, zeroinitializer
+	%sext = sext <4 x i1> %cmp to <4 x i32>
+	%cmp4 = fcmp uno <4 x float> %b, zeroinitializer
+	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
+	%or = or <4 x i32> %sext, %sext5
+	%conv = bitcast <4 x i32> %or to <2 x i64>
+	ret <2 x i64> %conv
+; CHECK: @test4
+; CHECK:   fcmp uno <4 x float> %a, %b
+}
+
+
+
+define void @convert(<2 x i32>* %dst.addr, <2 x i64> %src) nounwind {
+entry:
+  %val = trunc <2 x i64> %src to <2 x i32>
+  %add = add <2 x i32> %val, <i32 1, i32 1>
+  store <2 x i32> %add, <2 x i32>* %dst.addr
+  ret void
+}
+
+define <2 x i65> @foo(<2 x i64> %t) {
+  %a = trunc <2 x i64> %t to <2 x i32>
+  %b = zext <2 x i32> %a to <2 x i65>
+  ret <2 x i65> %b
+}
+define <2 x i64> @bar(<2 x i65> %t) {
+  %a = trunc <2 x i65> %t to <2 x i32>
+  %b = zext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %b
+}
+define <2 x i65> @foos(<2 x i64> %t) {
+  %a = trunc <2 x i64> %t to <2 x i32>
+  %b = sext <2 x i32> %a to <2 x i65>
+  ret <2 x i65> %b
+}
+define <2 x i64> @bars(<2 x i65> %t) {
+  %a = trunc <2 x i65> %t to <2 x i32>
+  %b = sext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %b
+}
+define <2 x i64> @quxs(<2 x i64> %t) {
+  %a = trunc <2 x i64> %t to <2 x i32>
+  %b = sext <2 x i32> %a to <2 x i64>
+  ret <2 x i64> %b
+}
+define <2 x i64> @quxt(<2 x i64> %t) {
+  %a = shl <2 x i64> %t, <i64 32, i64 32>
+  %b = ashr <2 x i64> %a, <i64 32, i64 32>
+  ret <2 x i64> %b
+}
+define <2 x double> @fa(<2 x double> %t) {
+  %a = fptrunc <2 x double> %t to <2 x float>
+  %b = fpext <2 x float> %a to <2 x double>
+  ret <2 x double> %b
+}
+define <2 x double> @fb(<2 x double> %t) {
+  %a = fptoui <2 x double> %t to <2 x i64>
+  %b = uitofp <2 x i64> %a to <2 x double>
+  ret <2 x double> %b
+}
+define <2 x double> @fc(<2 x double> %t) {
+  %a = fptosi <2 x double> %t to <2 x i64>
+  %b = sitofp <2 x i64> %a to <2 x double>
+  ret <2 x double> %b
+}