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Large code model is identical to medium code model except that the addis/addi sequence for "local" accesses is never used. All accesses use the addis/ld sequence. The coding changes are straightforward; most of the patch is taken up with creating variants of the medium model tests for large model. llvm-svn: 175767
26 lines
931 B
LLVM
26 lines
931 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 a variable with available-externally linkage.
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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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@x = available_externally constant [13 x i8] c"St9bad_alloc\00"
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define signext i8 @test_avext() nounwind {
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entry:
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%0 = getelementptr inbounds [13 x i8]* @x, i32 0, i32 0
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%1 = load i8* %0, align 1
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ret i8 %1
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}
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; CHECK: test_avext:
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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: lbz {{[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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