1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/ConstantHoisting/X86/large-immediate.ll b/llvm/test/Transforms/ConstantHoisting/X86/large-immediate.ll
new file mode 100644
index 00000000000..b8c04f38b12
--- /dev/null
+++ b/llvm/test/Transforms/ConstantHoisting/X86/large-immediate.ll
@@ -0,0 +1,36 @@
+; RUN: opt -mtriple=x86_64-darwin-unknown -S -consthoist < %s | FileCheck %s
+
+define i128 @test1(i128 %a) nounwind {
+; CHECK-LABEL: test1
+; CHECK: %const = bitcast i128 12297829382473034410122878 to i128
+  %1 = add i128 %a, 12297829382473034410122878
+  %2 = add i128 %1, 12297829382473034410122878
+  ret i128 %2
+}
+
+; Check that we don't hoist the shift value of a shift instruction.
+define i512 @test2(i512 %a) nounwind {
+; CHECK-LABEL: test2
+; CHECK-NOT: %const = bitcast i512 504 to i512
+  %1 = shl i512 %a, 504
+  %2 = ashr i512 %1, 504
+  ret i512 %2
+}
+
+; Check that we don't hoist constants with a type larger than i128.
+define i196 @test3(i196 %a) nounwind {
+; CHECK-LABEL: test3
+; CHECK-NOT: %const = bitcast i196 2 to i196
+  %1 = mul i196 %a, 2
+  %2 = mul i196 %1, 2
+  ret i196 %2
+}
+
+; Check that we don't hoist immediates with small values.
+define i96 @test4(i96 %a) nounwind {
+; CHECK-LABEL: test4
+; CHECK-NOT: %const = bitcast i96 2 to i96
+  %1 = mul i96 %a, 2
+  %2 = add i96 %1, 2
+  ret i96 %2
+}