; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -O0 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=GISEL ; RUN: llc -O0 -global-isel=0 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=SDAG ; Verify that GISel and SDAG do the same thing for this phi (modulo regalloc) define void @test() nounwind { ; GISEL-LABEL: test: ; GISEL: // %bb.0: // %entry ; GISEL-NEXT: sub sp, sp, #16 ; GISEL-NEXT: mov x8, xzr ; GISEL-NEXT: mov x9, x8 ; GISEL-NEXT: str x9, [sp] // 8-byte Folded Spill ; GISEL-NEXT: str x8, [sp, #8] // 8-byte Folded Spill ; GISEL-NEXT: b .LBB0_1 ; GISEL-NEXT: .LBB0_1: // %loop ; GISEL-NEXT: // =>This Inner Loop Header: Depth=1 ; GISEL-NEXT: ldr x8, [sp, #8] // 8-byte Folded Reload ; GISEL-NEXT: ldr x9, [sp] // 8-byte Folded Reload ; GISEL-NEXT: str x9, [sp] // 8-byte Folded Spill ; GISEL-NEXT: str x8, [sp, #8] // 8-byte Folded Spill ; GISEL-NEXT: b .LBB0_1 ; ; SDAG-LABEL: test: ; SDAG: // %bb.0: // %entry ; SDAG-NEXT: sub sp, sp, #16 ; SDAG-NEXT: mov x1, xzr ; SDAG-NEXT: mov x0, x1 ; SDAG-NEXT: str x1, [sp] // 8-byte Folded Spill ; SDAG-NEXT: str x0, [sp, #8] // 8-byte Folded Spill ; SDAG-NEXT: b .LBB0_1 ; SDAG-NEXT: .LBB0_1: // %loop ; SDAG-NEXT: // =>This Inner Loop Header: Depth=1 ; SDAG-NEXT: ldr x0, [sp, #8] // 8-byte Folded Reload ; SDAG-NEXT: ldr x1, [sp] // 8-byte Folded Reload ; SDAG-NEXT: str x1, [sp] // 8-byte Folded Spill ; SDAG-NEXT: str x0, [sp, #8] // 8-byte Folded Spill ; SDAG-NEXT: b .LBB0_1 entry: br label %loop loop: %p = phi i72 [ 0, %entry ], [ %p, %loop ] br label %loop }