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1; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s2; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s3 4; Test correct code generation for medium and large code model5; for loading and storing an external variable.6 7target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"8target triple = "powerpc64-unknown-linux-gnu"9 10$fi = comdat any11 12@ei = external global i3213@fi = global i32 0, align 4, comdat($fi)14@gi = global i32 0, align 4, comdat($fi)15 16define signext i32 @test_external() nounwind {17entry:18 %0 = load i32, ptr @ei, align 419 %inc = add nsw i32 %0, 120 store i32 %inc, ptr @ei, align 421 ret i32 %022}23 24define i32 @load() {25entry:26 %0 = load i32, ptr @gi, align 427 %1 = load i32, ptr @fi, align 428 %2 = add i32 %0, %129 ret i32 %230}31 32; CHECK-LABEL: test_external:33; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha34; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])35; CHECK: lwz {{[0-9]+}}, 0([[REG2]])36; CHECK: addis [[REG3:[0-9]+]], 2, .LC[[TOCNUM]]@toc@ha37; CHECK: ld [[REG4:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG3]])38; CHECK: stw {{[0-9]+}}, 0([[REG4]])39 40 41; CHECK: .section .toc,"aw",@progbits42; CHECK-NEXT: .LC0:43; CHECK-NEXT: .tc ei[TC],ei44; CHECK-NEXT: .LC1:45; CHECK-NEXT: .tc gi[TC],gi46; CHECK-NEXT: .LC2:47; CHECK-NEXT: .tc fi[TC],fi48