| ; 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 |
| ; arithmetic. |
| 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 |
| } |