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1; RUN: llc -mtriple=mipsel -O0 -relocation-model=pic < %s | FileCheck %s2; Check that register scavenging spill slot is close to $fp.3target triple="mipsel--"4 5; FIXME: After recent rework to FastISel, don't know how to trigger the6; emergency spill slot. Filed PR48301.7; XFAIL: *8@var = external global i329@ptrvar = external global ptr10 11; CHECK-LABEL: func:12define void @func() {13 %space = alloca i32, align 414 %stackspace = alloca[16384 x i32], align 415 16 ; ensure stackspace is not optimized out17 store volatile ptr %stackspace, ptr @ptrvar18 19 ; Load values to increase register pressure.20 %v0 = load volatile i32, ptr @var21 %v1 = load volatile i32, ptr @var22 %v2 = load volatile i32, ptr @var23 %v3 = load volatile i32, ptr @var24 %v4 = load volatile i32, ptr @var25 %v5 = load volatile i32, ptr @var26 %v6 = load volatile i32, ptr @var27 %v7 = load volatile i32, ptr @var28 %v8 = load volatile i32, ptr @var29 %v9 = load volatile i32, ptr @var30 %v10 = load volatile i32, ptr @var31 %v11 = load volatile i32, ptr @var32 %v12 = load volatile i32, ptr @var33 %v13 = load volatile i32, ptr @var34 %v14 = load volatile i32, ptr @var35 %v15 = load volatile i32, ptr @var36 %v16 = load volatile i32, ptr @var37 38 ; Computing a stack-relative values needs an additional register.39 ; We should get an emergency spill/reload for this.40 ; CHECK: sw ${{.*}}, 0($sp)41 ; CHECK: lw ${{.*}}, 0($sp)42 store volatile i32 %v0, ptr %space43 44 ; store values so they are used.45 store volatile i32 %v0, ptr @var46 store volatile i32 %v1, ptr @var47 store volatile i32 %v2, ptr @var48 store volatile i32 %v3, ptr @var49 store volatile i32 %v4, ptr @var50 store volatile i32 %v5, ptr @var51 store volatile i32 %v6, ptr @var52 store volatile i32 %v7, ptr @var53 store volatile i32 %v8, ptr @var54 store volatile i32 %v9, ptr @var55 store volatile i32 %v10, ptr @var56 store volatile i32 %v11, ptr @var57 store volatile i32 %v12, ptr @var58 store volatile i32 %v13, ptr @var59 store volatile i32 %v14, ptr @var60 store volatile i32 %v15, ptr @var61 store volatile i32 %v16, ptr @var62 63 ret void64}65