| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s |
| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s |
| |
| ; Test correct code generation for medium and large code model |
| ; for loading and storing an external variable. |
| |
| target 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" |
| target triple = "powerpc64-unknown-linux-gnu" |
| |
| $fi = comdat any |
| |
| @ei = external global i32 |
| @fi = global i32 0, align 4, comdat($fi) |
| @gi = global i32 0, align 4, comdat($fi) |
| |
| define signext i32 @test_external() nounwind { |
| entry: |
| %0 = load i32, i32* @ei, align 4 |
| %inc = add nsw i32 %0, 1 |
| store i32 %inc, i32* @ei, align 4 |
| ret i32 %0 |
| } |
| |
| define i32 @load() { |
| entry: |
| %0 = load i32, i32* @gi, align 4 |
| %1 = load i32, i32* @fi, align 4 |
| %2 = add i32 %0, %1 |
| ret i32 %2 |
| } |
| |
| ; CHECK-LABEL: test_external: |
| ; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha |
| ; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]]) |
| ; CHECK: lwz {{[0-9]+}}, 0([[REG2]]) |
| ; CHECK: addis [[REG3:[0-9]+]], 2, .LC[[TOCNUM]]@toc@ha |
| ; CHECK: ld [[REG4:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG3]]) |
| ; CHECK: stw {{[0-9]+}}, 0([[REG4]]) |
| |
| |
| ; CHECK: .section .toc,"aw",@progbits |
| ; CHECK-NEXT: .LC0: |
| ; CHECK-NEXT: .tc ei[TC],ei |
| ; CHECK-NEXT: .LC1: |
| ; CHECK-NEXT: .tc gi[TC],gi |
| ; CHECK-NEXT: .LC2: |
| ; CHECK-NEXT: .tc fi[TC],fi |