[X86] Add multiply by constant tests (PR28513)

As discussed on PR28513, add tests for constant multiplication by constants between 1 to 32

llvm-svn: 298497

1 files changed, 515 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/mul-constant-i32.ll b/llvm/test/CodeGen/X86/mul-constant-i32.ll
new file mode 100644
index 00000000000..76e46e1f1b0
--- /dev/null
+++ b/llvm/test/CodeGen/X86/mul-constant-i32.ll
@@ -0,0 +1,515 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
+; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
+
+define i32 @test_mul_by_1(i32 %x) {
+; X86-LABEL: test_mul_by_1:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_1:
+; X64:       # BB#0:
+; X64-NEXT:    movl %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 1
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_2(i32 %x) {
+; X86-LABEL: test_mul_by_2:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    addl %eax, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_2:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 2
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_3(i32 %x) {
+; X86-LABEL: test_mul_by_3:
+; X86:       # BB#0:
+; X86-NEXT:    imull $3, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_3:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi,2), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 3
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_4(i32 %x) {
+; X86-LABEL: test_mul_by_4:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $2, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_4:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (,%rdi,4), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 4
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_5(i32 %x) {
+; X86-LABEL: test_mul_by_5:
+; X86:       # BB#0:
+; X86-NEXT:    imull $5, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_5:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi,4), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 5
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_6(i32 %x) {
+; X86-LABEL: test_mul_by_6:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    addl %eax, %eax
+; X86-NEXT:    leal (%eax,%eax,2), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_6:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    addl %edi, %edi
+; X64-NEXT:    leal (%rdi,%rdi,2), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 6
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_7(i32 %x) {
+; X86-LABEL: test_mul_by_7:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    leal (,%ecx,8), %eax
+; X86-NEXT:    subl %ecx, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_7:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (,%rdi,8), %eax
+; X64-NEXT:    subl %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 7
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_8(i32 %x) {
+; X86-LABEL: test_mul_by_8:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $3, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_8:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (,%rdi,8), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 8
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_9(i32 %x) {
+; X86-LABEL: test_mul_by_9:
+; X86:       # BB#0:
+; X86-NEXT:    imull $9, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_9:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi,8), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 9
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_10(i32 %x) {
+; X86-LABEL: test_mul_by_10:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    addl %eax, %eax
+; X86-NEXT:    leal (%eax,%eax,4), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_10:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    addl %edi, %edi
+; X64-NEXT:    leal (%rdi,%rdi,4), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 10
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_11(i32 %x) {
+; X86-LABEL: test_mul_by_11:
+; X86:       # BB#0:
+; X86-NEXT:    imull $11, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_11:
+; X64:       # BB#0:
+; X64-NEXT:    imull $11, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 11
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_12(i32 %x) {
+; X86-LABEL: test_mul_by_12:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $2, %eax
+; X86-NEXT:    leal (%eax,%eax,2), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_12:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    shll $2, %edi
+; X64-NEXT:    leal (%rdi,%rdi,2), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 12
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_13(i32 %x) {
+; X86-LABEL: test_mul_by_13:
+; X86:       # BB#0:
+; X86-NEXT:    imull $13, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_13:
+; X64:       # BB#0:
+; X64-NEXT:    imull $13, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 13
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_14(i32 %x) {
+; X86-LABEL: test_mul_by_14:
+; X86:       # BB#0:
+; X86-NEXT:    imull $14, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_14:
+; X64:       # BB#0:
+; X64-NEXT:    imull $14, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 14
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_15(i32 %x) {
+; X86-LABEL: test_mul_by_15:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    leal (%eax,%eax,4), %eax
+; X86-NEXT:    leal (%eax,%eax,2), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_15:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi,4), %eax
+; X64-NEXT:    leal (%rax,%rax,2), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 15
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_16(i32 %x) {
+; X86-LABEL: test_mul_by_16:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $4, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_16:
+; X64:       # BB#0:
+; X64-NEXT:    shll $4, %edi
+; X64-NEXT:    movl %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 16
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_17(i32 %x) {
+; X86-LABEL: test_mul_by_17:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl %ecx, %eax
+; X86-NEXT:    shll $4, %eax
+; X86-NEXT:    addl %ecx, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_17:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    movl %edi, %eax
+; X64-NEXT:    shll $4, %eax
+; X64-NEXT:    leal (%rax,%rdi), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 17
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_18(i32 %x) {
+; X86-LABEL: test_mul_by_18:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    addl %eax, %eax
+; X86-NEXT:    leal (%eax,%eax,8), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_18:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    addl %edi, %edi
+; X64-NEXT:    leal (%rdi,%rdi,8), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 18
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_19(i32 %x) {
+; X86-LABEL: test_mul_by_19:
+; X86:       # BB#0:
+; X86-NEXT:    imull $19, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_19:
+; X64:       # BB#0:
+; X64-NEXT:    imull $19, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 19
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_20(i32 %x) {
+; X86-LABEL: test_mul_by_20:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $2, %eax
+; X86-NEXT:    leal (%eax,%eax,4), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_20:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    shll $2, %edi
+; X64-NEXT:    leal (%rdi,%rdi,4), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 20
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_21(i32 %x) {
+; X86-LABEL: test_mul_by_21:
+; X86:       # BB#0:
+; X86-NEXT:    imull $21, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_21:
+; X64:       # BB#0:
+; X64-NEXT:    imull $21, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 21
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_22(i32 %x) {
+; X86-LABEL: test_mul_by_22:
+; X86:       # BB#0:
+; X86-NEXT:    imull $22, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_22:
+; X64:       # BB#0:
+; X64-NEXT:    imull $22, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 22
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_23(i32 %x) {
+; X86-LABEL: test_mul_by_23:
+; X86:       # BB#0:
+; X86-NEXT:    imull $23, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_23:
+; X64:       # BB#0:
+; X64-NEXT:    imull $23, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 23
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_24(i32 %x) {
+; X86-LABEL: test_mul_by_24:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $3, %eax
+; X86-NEXT:    leal (%eax,%eax,2), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_24:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    shll $3, %edi
+; X64-NEXT:    leal (%rdi,%rdi,2), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 24
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_25(i32 %x) {
+; X86-LABEL: test_mul_by_25:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    leal (%eax,%eax,4), %eax
+; X86-NEXT:    leal (%eax,%eax,4), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_25:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi,4), %eax
+; X64-NEXT:    leal (%rax,%rax,4), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 25
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_26(i32 %x) {
+; X86-LABEL: test_mul_by_26:
+; X86:       # BB#0:
+; X86-NEXT:    imull $26, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_26:
+; X64:       # BB#0:
+; X64-NEXT:    imull $26, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 26
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_27(i32 %x) {
+; X86-LABEL: test_mul_by_27:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    leal (%eax,%eax,8), %eax
+; X86-NEXT:    leal (%eax,%eax,2), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_27:
+; X64:       # BB#0:
+; X64-NEXT:    # kill: %EDI<def> %EDI<kill> %RDI<def>
+; X64-NEXT:    leal (%rdi,%rdi,8), %eax
+; X64-NEXT:    leal (%rax,%rax,2), %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 27
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_28(i32 %x) {
+; X86-LABEL: test_mul_by_28:
+; X86:       # BB#0:
+; X86-NEXT:    imull $28, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_28:
+; X64:       # BB#0:
+; X64-NEXT:    imull $28, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 28
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_29(i32 %x) {
+; X86-LABEL: test_mul_by_29:
+; X86:       # BB#0:
+; X86-NEXT:    imull $29, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_29:
+; X64:       # BB#0:
+; X64-NEXT:    imull $29, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 29
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_30(i32 %x) {
+; X86-LABEL: test_mul_by_30:
+; X86:       # BB#0:
+; X86-NEXT:    imull $30, {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_30:
+; X64:       # BB#0:
+; X64-NEXT:    imull $30, %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 30
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_31(i32 %x) {
+; X86-LABEL: test_mul_by_31:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl %ecx, %eax
+; X86-NEXT:    shll $5, %eax
+; X86-NEXT:    subl %ecx, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_31:
+; X64:       # BB#0:
+; X64-NEXT:    movl %edi, %eax
+; X64-NEXT:    shll $5, %eax
+; X64-NEXT:    subl %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 31
+  ret i32 %mul
+}
+
+define i32 @test_mul_by_32(i32 %x) {
+; X86-LABEL: test_mul_by_32:
+; X86:       # BB#0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    shll $5, %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: test_mul_by_32:
+; X64:       # BB#0:
+; X64-NEXT:    shll $5, %edi
+; X64-NEXT:    movl %edi, %eax
+; X64-NEXT:    retq
+  %mul = mul nsw i32 %x, 32
+  ret i32 %mul
+}