; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefixes=LINUX ; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s --check-prefixes=WIN ; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s --check-prefixes=LINUX ; RUN: llc < %s -mtriple=x86_64-nacl | FileCheck %s --check-prefixes=LINUX define i32 @test1(i32 %x) nounwind { ; LINUX-LABEL: test1: ; LINUX: # %bb.0: ; LINUX-NEXT: # kill: def $edi killed $edi def $rdi ; LINUX-NEXT: leal 7(,%rdi,8), %eax ; LINUX-NEXT: retq ; ; WIN-LABEL: test1: ; WIN: # %bb.0: ; WIN-NEXT: # kill: def $ecx killed $ecx def $rcx ; WIN-NEXT: leal 7(,%rcx,8), %eax ; WIN-NEXT: retq %tmp1 = shl i32 %x, 3 %tmp2 = add i32 %tmp1, 7 ret i32 %tmp2 } ; ISel the add of -4 with a neg and use an lea for the rest of the ; arithemtic. define i32 @test2(i32 %x_offs) nounwind readnone { ; LINUX-LABEL: test2: ; LINUX: # %bb.0: # %entry ; LINUX-NEXT: # kill: def $edi killed $edi def $rdi ; LINUX-NEXT: cmpl $5, %edi ; LINUX-NEXT: jl .LBB1_2 ; LINUX-NEXT: # %bb.1: # %bb.nph ; LINUX-NEXT: leal -5(%rdi), %eax ; LINUX-NEXT: andl $-4, %eax ; LINUX-NEXT: negl %eax ; LINUX-NEXT: leal -4(%rdi,%rax), %eax ; LINUX-NEXT: retq ; LINUX-NEXT: .LBB1_2: # %bb2 ; LINUX-NEXT: movl %edi, %eax ; LINUX-NEXT: retq ; ; WIN-LABEL: test2: ; WIN: # %bb.0: # %entry ; WIN-NEXT: # kill: def $ecx killed $ecx def $rcx ; WIN-NEXT: cmpl $5, %ecx ; WIN-NEXT: jl .LBB1_2 ; WIN-NEXT: # %bb.1: # %bb.nph ; WIN-NEXT: leal -5(%rcx), %eax ; WIN-NEXT: andl $-4, %eax ; WIN-NEXT: negl %eax ; WIN-NEXT: leal -4(%rcx,%rax), %eax ; WIN-NEXT: retq ; WIN-NEXT: .LBB1_2: # %bb2 ; WIN-NEXT: movl %ecx, %eax ; WIN-NEXT: retq entry: %t0 = icmp sgt i32 %x_offs, 4 br i1 %t0, label %bb.nph, label %bb2 bb.nph: %tmp = add i32 %x_offs, -5 %tmp6 = lshr i32 %tmp, 2 %tmp7 = mul i32 %tmp6, -4 %tmp8 = add i32 %tmp7, %x_offs %tmp9 = add i32 %tmp8, -4 ret i32 %tmp9 bb2: ret i32 %x_offs }