[CodeGenPrepare] Create more extloads and fewer ands

[oota-llvm.git] / test / Transforms / InstCombine / bitcast-vec-uniform.ll

diff --git a/test/Transforms/InstCombine/bitcast-vec-uniform.ll b/test/Transforms/InstCombine/bitcast-vec-uniform.ll
index 1fba1632693306eccb58f7cc6c41aa78f227157b..bfb77191a75f36dd100ade1a85a567ad51cb30ac 100644 (file)
--- a/test/Transforms/InstCombine/bitcast-vec-uniform.ll
+++ b/test/Transforms/InstCombine/bitcast-vec-uniform.ll
@@ -1,14 +1,70 @@
-; RUN: opt < %s -instcombine -S | not grep bitcast
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
+; CHECK-LABEL: @a(
+; CHECK-NOT: bitcast
+; CHECK: ret
 define <4 x i32> @a(<1 x i64> %y) {
   %c = bitcast <2 x i64> <i64 0, i64 0> to <4 x i32>
   ret <4 x i32> %c
 }
 
+; CHECK-LABEL: @b(
+; CHECK-NOT: bitcast
+; CHECK: ret
+
 define <4 x i32> @b(<1 x i64> %y) {
   %c = bitcast <2 x i64> <i64 -1, i64 -1> to <4 x i32>
   ret <4 x i32> %c
 }
 
+; CHECK-LABEL: @foo(
+; CHECK-NOT: bitcast
+; CHECK: ret
+
+; from MultiSource/Benchmarks/Bullet
+define <2 x float> @foo() {
+  %cast = bitcast i64 -1 to <2 x float>
+  ret <2 x float> %cast
+}
+
 
+; CHECK-LABEL: @foo2(
+; CHECK-NOT: bitcast
+; CHECK: ret
+define <2 x double> @foo2() {
+  %cast = bitcast i128 -1 to <2 x double>
+  ret <2 x double> %cast
+}
+
+; CHECK-LABEL: @foo3(
+; CHECK-NOT: bitcast
+; CHECK: ret
+define <1 x float> @foo3() {
+  %cast = bitcast i32 -1 to <1 x float>
+  ret <1 x float> %cast
+}
 
+; CHECK-LABEL: @foo4(
+; CHECK-NOT: bitcast
+; CHECK: ret
+define float @foo4() {
+  %cast = bitcast <1 x i32 ><i32 -1> to float
+  ret float %cast
+}
+
+; CHECK-LABEL: @foo5(
+; CHECK-NOT: bitcast
+; CHECK: ret
+define double @foo5() {
+  %cast = bitcast <2 x i32 ><i32 -1, i32 -1> to double
+  ret double %cast
+}
+
+
+; CHECK-LABEL: @foo6(
+; CHECK-NOT: bitcast
+; CHECK: ret
+define <2 x double> @foo6() {
+  %cast = bitcast <4 x i32><i32 -1, i32 -1, i32 -1, i32 -1> to <2 x double>
+  ret <2 x double> %cast
+}