1 files changed, 60 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/mul-constant-i32.ll b/llvm/test/CodeGen/X86/mul-constant-i32.ll
index 3c0c6c83392..658a6538bbd 100644
--- a/llvm/test/CodeGen/X86/mul-constant-i32.ll
+++ b/llvm/test/CodeGen/X86/mul-constant-i32.ll
@@ -1833,6 +1833,66 @@ define i32 @test_mul_by_62(i32 %x) {
   ret i32 %mul
 }
 
+define i32 @test_mul_by_66(i32 %x) {
+; X86-LABEL: test_mul_by_66:
+; X86:       # %bb.0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl %ecx, %eax
+; X86-NEXT:    shll $6, %eax
+; X86-NEXT:    addl %ecx, %eax
+; X86-NEXT:    addl %ecx, %eax
+; X86-NEXT:    retl
+;
+; X64-HSW-LABEL: test_mul_by_66:
+; X64-HSW:       # %bb.0:
+; X64-HSW-NEXT:    # kill: def $edi killed $edi def $rdi
+; X64-HSW-NEXT:    movl %edi, %eax # sched: [1:0.25]
+; X64-HSW-NEXT:    shll $6, %eax # sched: [1:0.50]
+; X64-HSW-NEXT:    leal (%rax,%rdi), %eax # sched: [1:0.50]
+; X64-HSW-NEXT:    addl %edi, %eax # sched: [1:0.25]
+; X64-HSW-NEXT:    retq # sched: [7:1.00]
+;
+; X64-JAG-LABEL: test_mul_by_66:
+; X64-JAG:       # %bb.0:
+; X64-JAG-NEXT:    # kill: def $edi killed $edi def $rdi
+; X64-JAG-NEXT:    movl %edi, %eax # sched: [1:0.50]
+; X64-JAG-NEXT:    shll $6, %eax # sched: [1:0.50]
+; X64-JAG-NEXT:    leal (%rax,%rdi), %eax # sched: [1:0.50]
+; X64-JAG-NEXT:    addl %edi, %eax # sched: [1:0.50]
+; X64-JAG-NEXT:    retq # sched: [4:1.00]
+;
+; X86-NOOPT-LABEL: test_mul_by_66:
+; X86-NOOPT:       # %bb.0:
+; X86-NOOPT-NEXT:    imull $66, {{[0-9]+}}(%esp), %eax
+; X86-NOOPT-NEXT:    retl
+;
+; HSW-NOOPT-LABEL: test_mul_by_66:
+; HSW-NOOPT:       # %bb.0:
+; HSW-NOOPT-NEXT:    imull $66, %edi, %eax # sched: [3:1.00]
+; HSW-NOOPT-NEXT:    retq # sched: [7:1.00]
+;
+; JAG-NOOPT-LABEL: test_mul_by_66:
+; JAG-NOOPT:       # %bb.0:
+; JAG-NOOPT-NEXT:    imull $66, %edi, %eax # sched: [3:1.00]
+; JAG-NOOPT-NEXT:    retq # sched: [4:1.00]
+;
+; X64-SLM-LABEL: test_mul_by_66:
+; X64-SLM:       # %bb.0:
+; X64-SLM-NEXT:    # kill: def $edi killed $edi def $rdi
+; X64-SLM-NEXT:    movl %edi, %eax # sched: [1:0.50]
+; X64-SLM-NEXT:    shll $6, %eax # sched: [1:1.00]
+; X64-SLM-NEXT:    leal (%rax,%rdi), %eax # sched: [1:1.00]
+; X64-SLM-NEXT:    addl %edi, %eax # sched: [1:0.50]
+; X64-SLM-NEXT:    retq # sched: [4:1.00]
+;
+; SLM-NOOPT-LABEL: test_mul_by_66:
+; SLM-NOOPT:       # %bb.0:
+; SLM-NOOPT-NEXT:    imull $66, %edi, %eax # sched: [3:1.00]
+; SLM-NOOPT-NEXT:    retq # sched: [4:1.00]
+  %mul = mul nsw i32 %x, 66
+  ret i32 %mul
+}
+
 define i32 @test_mul_by_73(i32 %x) {
 ; X86-LABEL: test_mul_by_73:
 ; X86:       # %bb.0: