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6ad23a3203
incorrect, as the chosen representative of the weak symbol may not live with the code in question. Always indirect the access through the TOC instead. Patch by Kyle Butt! llvm-svn: 253708
28 lines
935 B
LLVM
28 lines
935 B
LLVM
; RUN: llc -mcpu=pwr7 -O0 -code-model=medium <%s | FileCheck %s
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; RUN: llc -mcpu=pwr7 -O0 -code-model=large <%s | FileCheck %s
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; Test correct code generation for medium and large code model
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; for loading and storing a weak variable
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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"
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target triple = "powerpc64-unknown-linux-gnu"
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@wi = weak global i32 0, align 4
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define signext i32 @test_weak() nounwind {
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entry:
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%0 = load i32, i32* @wi, align 4
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%inc = add nsw i32 %0, 1
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store i32 %inc, i32* @wi, align 4
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ret i32 %0
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}
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; CHECK-LABEL: test_weak:
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; CHECK: addis [[REG1:[0-9]+]], 2, .LC[[TOCNUM:[0-9]+]]@toc@ha
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; CHECK: ld [[REG2:[0-9]+]], .LC[[TOCNUM]]@toc@l([[REG1]])
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; CHECK: lwz {{[0-9]+}}, 0([[REG2]])
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; CHECK: stw {{[0-9]+}}, 0([[REG2]])
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; CHECK: .section .toc
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; CHECK: .LC[[TOCNUM]]:
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; CHECK: .tc {{[a-z0-9A-Z_.]+}}[TC],{{[a-z0-9A-Z_.]+}}
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