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authorMichael Liao <michael.liao@intel.com>2012-09-26 08:22:37 +0000
committerMichael Liao <michael.liao@intel.com>2012-09-26 08:22:37 +0000
commit0832a72a662043efad72f090023a19156974fc0c (patch)
tree142437d65ba83a4d47c0c26434b489674d552f10 /test/CodeGen
parentc7c42f71aad7d33892de73d6d6397e38814b0e97 (diff)
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Add MULX code generation support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164673 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/X86/mulx32.ll22
-rw-r--r--test/CodeGen/X86/mulx64.ll22
2 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mulx32.ll b/test/CodeGen/X86/mulx32.ll
new file mode 100644
index 0000000000..6a6450d500
--- /dev/null
+++ b/test/CodeGen/X86/mulx32.ll
@@ -0,0 +1,22 @@
+; RUN: llc -mcpu=core-avx2 -march=x86 < %s | FileCheck %s
+
+define i64 @f1(i32 %a, i32 %b) {
+ %x = zext i32 %a to i64
+ %y = zext i32 %b to i64
+ %r = mul i64 %x, %y
+; CHECK: f1
+; CHECK: mulxl
+; CHECK: ret
+ ret i64 %r
+}
+
+define i64 @f2(i32 %a, i32* %p) {
+ %b = load i32* %p
+ %x = zext i32 %a to i64
+ %y = zext i32 %b to i64
+ %r = mul i64 %x, %y
+; CHECK: f1
+; CHECK: mulxl ({{.+}}), %{{.+}}, %{{.+}}
+; CHECK: ret
+ ret i64 %r
+}
diff --git a/test/CodeGen/X86/mulx64.ll b/test/CodeGen/X86/mulx64.ll
new file mode 100644
index 0000000000..c59adc6069
--- /dev/null
+++ b/test/CodeGen/X86/mulx64.ll
@@ -0,0 +1,22 @@
+; RUN: llc -mcpu=core-avx2 -march=x86-64 < %s | FileCheck %s
+
+define i128 @f1(i64 %a, i64 %b) {
+ %x = zext i64 %a to i128
+ %y = zext i64 %b to i128
+ %r = mul i128 %x, %y
+; CHECK: f1
+; CHECK: mulxq
+; CHECK: ret
+ ret i128 %r
+}
+
+define i128 @f2(i64 %a, i64* %p) {
+ %b = load i64* %p
+ %x = zext i64 %a to i128
+ %y = zext i64 %b to i128
+ %r = mul i128 %x, %y
+; CHECK: f1
+; CHECK: mulxq ({{.+}}), %{{.+}}, %{{.+}}
+; CHECK: ret
+ ret i128 %r
+}