diff options
Diffstat (limited to 'test/CodeGen/X86/mul-constant-i16.ll')
-rw-r--r-- | test/CodeGen/X86/mul-constant-i16.ll | 589 |
1 files changed, 589 insertions, 0 deletions
diff --git a/test/CodeGen/X86/mul-constant-i16.ll b/test/CodeGen/X86/mul-constant-i16.ll new file mode 100644 index 000000000000..e3e2737cf3e6 --- /dev/null +++ b/test/CodeGen/X86/mul-constant-i16.ll @@ -0,0 +1,589 @@ +; 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 i16 @test_mul_by_1(i16 %x) { +; X86-LABEL: test_mul_by_1: +; X86: # BB#0: +; X86-NEXT: movzwl {{[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 i16 %x, 1 + ret i16 %mul +} + +define i16 @test_mul_by_2(i16 %x) { +; X86-LABEL: test_mul_by_2: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: addl %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 2 + ret i16 %mul +} + +define i16 @test_mul_by_3(i16 %x) { +; X86-LABEL: test_mul_by_3: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: leal (%eax,%eax,2), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 3 + ret i16 %mul +} + +define i16 @test_mul_by_4(i16 %x) { +; X86-LABEL: test_mul_by_4: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $2, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 4 + ret i16 %mul +} + +define i16 @test_mul_by_5(i16 %x) { +; X86-LABEL: test_mul_by_5: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: leal (%eax,%eax,4), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 5 + ret i16 %mul +} + +define i16 @test_mul_by_6(i16 %x) { +; X86-LABEL: test_mul_by_6: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: addl %eax, %eax +; X86-NEXT: leal (%eax,%eax,2), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 6 + ret i16 %mul +} + +define i16 @test_mul_by_7(i16 %x) { +; X86-LABEL: test_mul_by_7: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: leal (,%ecx,8), %eax +; X86-NEXT: subl %ecx, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 7 + ret i16 %mul +} + +define i16 @test_mul_by_8(i16 %x) { +; X86-LABEL: test_mul_by_8: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $3, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 8 + ret i16 %mul +} + +define i16 @test_mul_by_9(i16 %x) { +; X86-LABEL: test_mul_by_9: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: leal (%eax,%eax,8), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 9 + ret i16 %mul +} + +define i16 @test_mul_by_10(i16 %x) { +; X86-LABEL: test_mul_by_10: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: addl %eax, %eax +; X86-NEXT: leal (%eax,%eax,4), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 10 + ret i16 %mul +} + +define i16 @test_mul_by_11(i16 %x) { +; X86-LABEL: test_mul_by_11: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $11, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_11: +; X64: # BB#0: +; X64-NEXT: imull $11, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 11 + ret i16 %mul +} + +define i16 @test_mul_by_12(i16 %x) { +; X86-LABEL: test_mul_by_12: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $2, %eax +; X86-NEXT: leal (%eax,%eax,2), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 12 + ret i16 %mul +} + +define i16 @test_mul_by_13(i16 %x) { +; X86-LABEL: test_mul_by_13: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $13, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_13: +; X64: # BB#0: +; X64-NEXT: imull $13, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 13 + ret i16 %mul +} + +define i16 @test_mul_by_14(i16 %x) { +; X86-LABEL: test_mul_by_14: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $14, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_14: +; X64: # BB#0: +; X64-NEXT: imull $14, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 14 + ret i16 %mul +} + +define i16 @test_mul_by_15(i16 %x) { +; X86-LABEL: test_mul_by_15: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: leal (%eax,%eax,4), %eax +; X86-NEXT: leal (%eax,%eax,2), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 15 + ret i16 %mul +} + +define i16 @test_mul_by_16(i16 %x) { +; X86-LABEL: test_mul_by_16: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $4, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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 i16 %x, 16 + ret i16 %mul +} + +define i16 @test_mul_by_17(i16 %x) { +; X86-LABEL: test_mul_by_17: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl %ecx, %eax +; X86-NEXT: shll $4, %eax +; X86-NEXT: addl %ecx, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 17 + ret i16 %mul +} + +define i16 @test_mul_by_18(i16 %x) { +; X86-LABEL: test_mul_by_18: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: addl %eax, %eax +; X86-NEXT: leal (%eax,%eax,8), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 18 + ret i16 %mul +} + +define i16 @test_mul_by_19(i16 %x) { +; X86-LABEL: test_mul_by_19: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $19, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_19: +; X64: # BB#0: +; X64-NEXT: imull $19, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 19 + ret i16 %mul +} + +define i16 @test_mul_by_20(i16 %x) { +; X86-LABEL: test_mul_by_20: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $2, %eax +; X86-NEXT: leal (%eax,%eax,4), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 20 + ret i16 %mul +} + +define i16 @test_mul_by_21(i16 %x) { +; X86-LABEL: test_mul_by_21: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $21, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_21: +; X64: # BB#0: +; X64-NEXT: imull $21, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 21 + ret i16 %mul +} + +define i16 @test_mul_by_22(i16 %x) { +; X86-LABEL: test_mul_by_22: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $22, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_22: +; X64: # BB#0: +; X64-NEXT: imull $22, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 22 + ret i16 %mul +} + +define i16 @test_mul_by_23(i16 %x) { +; X86-LABEL: test_mul_by_23: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $23, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_23: +; X64: # BB#0: +; X64-NEXT: imull $23, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 23 + ret i16 %mul +} + +define i16 @test_mul_by_24(i16 %x) { +; X86-LABEL: test_mul_by_24: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $3, %eax +; X86-NEXT: leal (%eax,%eax,2), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 24 + ret i16 %mul +} + +define i16 @test_mul_by_25(i16 %x) { +; X86-LABEL: test_mul_by_25: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: leal (%eax,%eax,4), %eax +; X86-NEXT: leal (%eax,%eax,4), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 25 + ret i16 %mul +} + +define i16 @test_mul_by_26(i16 %x) { +; X86-LABEL: test_mul_by_26: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $26, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_26: +; X64: # BB#0: +; X64-NEXT: imull $26, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 26 + ret i16 %mul +} + +define i16 @test_mul_by_27(i16 %x) { +; X86-LABEL: test_mul_by_27: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: leal (%eax,%eax,8), %eax +; X86-NEXT: leal (%eax,%eax,2), %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 27 + ret i16 %mul +} + +define i16 @test_mul_by_28(i16 %x) { +; X86-LABEL: test_mul_by_28: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $28, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_28: +; X64: # BB#0: +; X64-NEXT: imull $28, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 28 + ret i16 %mul +} + +define i16 @test_mul_by_29(i16 %x) { +; X86-LABEL: test_mul_by_29: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $29, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_29: +; X64: # BB#0: +; X64-NEXT: imull $29, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 29 + ret i16 %mul +} + +define i16 @test_mul_by_30(i16 %x) { +; X86-LABEL: test_mul_by_30: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: imull $30, %eax, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X86-NEXT: retl +; +; X64-LABEL: test_mul_by_30: +; X64: # BB#0: +; X64-NEXT: imull $30, %edi, %eax +; X64-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 30 + ret i16 %mul +} + +define i16 @test_mul_by_31(i16 %x) { +; X86-LABEL: test_mul_by_31: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx +; X86-NEXT: movl %ecx, %eax +; X86-NEXT: shll $5, %eax +; X86-NEXT: subl %ecx, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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: # kill: %AX<def> %AX<kill> %EAX<kill> +; X64-NEXT: retq + %mul = mul nsw i16 %x, 31 + ret i16 %mul +} + +define i16 @test_mul_by_32(i16 %x) { +; X86-LABEL: test_mul_by_32: +; X86: # BB#0: +; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax +; X86-NEXT: shll $5, %eax +; X86-NEXT: # kill: %AX<def> %AX<kill> %EAX<kill> +; 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 i16 %x, 32 + ret i16 %mul +} |