summaryrefslogtreecommitdiffstats
path: root/llvm/test/CodeGen/Lanai/multiply.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/CodeGen/Lanai/multiply.ll')
-rw-r--r--llvm/test/CodeGen/Lanai/multiply.ll60
1 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Lanai/multiply.ll b/llvm/test/CodeGen/Lanai/multiply.ll
new file mode 100644
index 00000000000..c92a06c3f01
--- /dev/null
+++ b/llvm/test/CodeGen/Lanai/multiply.ll
@@ -0,0 +1,60 @@
+; RUN: llc -march=lanai < %s | FileCheck %s
+
+; Test the in place lowering of mul i32.
+
+define i32 @f6(i32 inreg %a) #0 {
+entry:
+ %mul = mul nsw i32 %a, 6
+ ret i32 %mul
+}
+; CHECK: sh %r6, 0x1, %r{{[0-9]+}}
+; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
+; CHECK: sub %r{{[0-9]+}}, %r{{[0-9]+}}, %rv
+
+define i32 @f7(i32 inreg %a) #0 {
+entry:
+ %mul = mul nsw i32 %a, 7
+ ret i32 %mul
+}
+; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
+; CHECK: sub %r{{[0-9]+}}, %r6, %rv
+
+define i32 @f8(i32 inreg %a) #0 {
+entry:
+ %mul = shl nsw i32 %a, 3
+ ret i32 %mul
+}
+; CHECK: sh %r6, 0x3, %rv
+
+define i32 @fm6(i32 inreg %a) #0 {
+entry:
+ %mul = mul nsw i32 %a, -6
+ ret i32 %mul
+}
+; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
+; CHECK: sh %r6, 0x1, %r{{[0-9]+}}
+; CHECK: sub %r{{[0-9]+}}, %r{{[0-9]+}}, %rv
+
+define i32 @fm7(i32 inreg %a) #0 {
+entry:
+ %mul = mul nsw i32 %a, -7
+ ret i32 %mul
+}
+; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
+; CHECK: sub %r6, %r{{[0-9]+}}, %rv
+
+define i32 @fm8(i32 inreg %a) #0 {
+entry:
+ %mul = mul nsw i32 %a, -8
+ ret i32 %mul
+}
+; CHECK: sh %r6, 0x3, %r{{[0-9]+}}
+; CHECK: sub %r{{[0-9]+}}, %r{{[0-9]+}}, %rv
+
+define i32 @h1(i32 inreg %a) #0 {
+entry:
+ %mul = mul i32 %a, -1431655765
+ ret i32 %mul
+}
+; CHECK: h1
+; CHECK: mulsi3
OpenPOWER on IntegriCloud