xref: /llvm-project/llvm/test/CodeGen/X86/addr-mode-matcher-4.ll (revision 0fac9da7342e7846fbc4464abe5c00086cbf026c)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64
4
5%structA = type { %classB, float, i16, i8, i32 }
6%classB = type { double, double, double }
7
8define double @zext_shl_mul(ptr %a0, ptr %a1) {
9; X86-LABEL: zext_shl_mul:
10; X86:       # %bb.0:
11; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
12; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
13; X86-NEXT:    movzwl (%ecx), %ecx
14; X86-NEXT:    leal (%ecx,%ecx,8), %ecx
15; X86-NEXT:    fldl 16(%eax,%ecx,4)
16; X86-NEXT:    retl
17;
18; X64-LABEL: zext_shl_mul:
19; X64:       # %bb.0:
20; X64-NEXT:    movzwl (%rsi), %eax
21; X64-NEXT:    leaq (%rax,%rax,4), %rax
22; X64-NEXT:    movsd {{.*#+}} xmm0 = mem[0],zero
23; X64-NEXT:    retq
24  %ld = load i16, ptr %a1, align 2
25  %zext = zext i16 %ld to i64
26  %gep = getelementptr inbounds %structA, ptr %a0, i64 %zext, i32 0, i32 2
27  %res = load double, ptr %gep, align 8
28  ret double %res
29}
30