0676acb6fd
Should cover most of the tests for GVN, GVNHoist, GVNSink, GlobalOpt, GlobalSplit, InstCombine, Reassociate, SROA and TailCallElim that had not been updated earlier.
29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; RUN: opt -passes=globalopt,instcombine %s -S -o - | FileCheck %s
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; Static constructor should have been optimized out
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; CHECK: i32 @main
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; CHECK-NEXT: ret i32 69905
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; CHECK-NOT: _GLOBAL__sub_I_main.cpp
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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%struct.S = type { %struct.A* }
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%struct.A = type { i64, i64 }
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@s = internal local_unnamed_addr global %struct.S zeroinitializer, align 8
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@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_main.cpp, i8* null }]
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@gA = available_externally dso_local local_unnamed_addr global %struct.A* inttoptr (i64 69905 to %struct.A*), align 8
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define dso_local i32 @main() local_unnamed_addr {
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%1 = load i64, i64* bitcast (%struct.S* @s to i64*), align 8
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%2 = trunc i64 %1 to i32
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ret i32 %2
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}
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define internal void @_GLOBAL__sub_I_main.cpp() section ".text.startup" {
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%1 = load i64, i64* bitcast (%struct.A** @gA to i64*), align 8
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store i64 %1, i64* bitcast (%struct.S* @s to i64*), align 8
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ret void
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}
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