47 lines
2.0 KiB
LLVM
47 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: sed 's/ArrSize/100/g' %s | llc -mtriple=riscv32 -riscv-enable-global-merge \
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; RUN: -verify-machineinstrs | FileCheck %s
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; RUN: sed 's/ArrSize/100/g' %s | llc -mtriple=riscv64 -riscv-enable-global-merge \
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; RUN: -verify-machineinstrs | FileCheck %s
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; RUN: sed 's/ArrSize/101/g' %s | llc -mtriple=riscv32 -riscv-enable-global-merge \
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; RUN: -verify-machineinstrs | FileCheck %s -check-prefix=CHECK-TOOBIG
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; RUN: sed 's/ArrSize/101/g' %s | llc -mtriple=riscv64 -riscv-enable-global-merge \
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; RUN: -verify-machineinstrs | FileCheck %s -check-prefix=CHECK-TOOBIG
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; This test demonstrates that the MaxOffset is set correctly for RISC-V by
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; constructing an input that is at the limit and comparing.
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@ga1 = dso_local global [410 x i32] zeroinitializer, align 4
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@ga2 = dso_local global [ArrSize x i32] zeroinitializer, align 4
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@gi = dso_local global i32 0, align 4
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; TODO: It would be better for codesize if the final store below was
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; `sw a0, 0(a2)`.
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define void @f1(i32 %a) nounwind {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: lui a1, %hi(.L_MergedGlobals)
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; CHECK-NEXT: addi a2, a1, %lo(.L_MergedGlobals)
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; CHECK-NEXT: sw a0, 2044(a2)
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; CHECK-NEXT: sw a0, 404(a2)
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; CHECK-NEXT: sw a0, %lo(.L_MergedGlobals)(a1)
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; CHECK-NEXT: ret
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;
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; CHECK-TOOBIG-LABEL: f1:
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; CHECK-TOOBIG: # %bb.0:
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; CHECK-TOOBIG-NEXT: lui a1, %hi(ga1+1640)
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; CHECK-TOOBIG-NEXT: lui a2, %hi(.L_MergedGlobals)
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; CHECK-TOOBIG-NEXT: addi a3, a2, %lo(.L_MergedGlobals)
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; CHECK-TOOBIG-NEXT: sw a0, %lo(ga1+1640)(a1)
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; CHECK-TOOBIG-NEXT: sw a0, 408(a3)
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; CHECK-TOOBIG-NEXT: sw a0, %lo(.L_MergedGlobals)(a2)
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; CHECK-TOOBIG-NEXT: ret
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%ga1_end = getelementptr inbounds [410 x i32], ptr @ga1, i32 0, i64 410
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%ga2_end = getelementptr inbounds [ArrSize x i32], ptr @ga2, i32 0, i64 ArrSize
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store i32 %a, ptr %ga1_end, align 4
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store i32 %a, ptr %ga2_end, align 4
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store i32 %a, ptr @gi, align 4
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ret void
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}
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