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https://github.com/c64scene-ar/llvm-6502.git
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95830221bd
formal arguments on the stack and stores created afterwards. We need this to ensure tail call optimized function calls do not write over the argument area of the stack before it is read out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194309 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
1.0 KiB
LLVM
35 lines
1.0 KiB
LLVM
; RUN: llc -march=mips < %s | FileCheck %s
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define void @f1(i64 %ll1, float %f, i64 %ll, i32 %i, float %f2) nounwind {
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entry:
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; CHECK-DAG: lw $[[R2:[0-9]+]], 80($sp)
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; CHECK-DAG: lw $[[R3:[0-9]+]], 84($sp)
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; CHECK-DAG: move $[[R1:[0-9]+]], $5
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; CHECK-DAG: move $[[R0:[0-9]+]], $4
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; CHECK-DAG: ori $6, ${{[0-9]+}}, 3855
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; CHECK-DAG: ori $7, ${{[0-9]+}}, 22136
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; CHECK-DAG: lw $25, %call16(ff1)
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; CHECK: jalr
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tail call void @ff1(i32 %i, i64 1085102592623924856) nounwind
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; CHECK-DAG: lw $25, %call16(ff2)
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; CHECK-DAG: move $4, $[[R2]]
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; CHECK-DAG: move $5, $[[R3]]
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; CHECK: jalr $25
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tail call void @ff2(i64 %ll, double 3.000000e+00) nounwind
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%sub = add nsw i32 %i, -1
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; CHECK-DAG: lw $25, %call16(ff3)
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; CHECK-DAG: sw $[[R1]], 28($sp)
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; CHECK-DAG: sw $[[R0]], 24($sp)
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; CHECK-DAG: move $6, $[[R2]]
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; CHECK-DAG: move $7, $[[R3]]
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; CHECK: jalr $25
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tail call void @ff3(i32 %i, i64 %ll, i32 %sub, i64 %ll1) nounwind
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ret void
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}
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declare void @ff1(i32, i64)
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declare void @ff2(i64, double)
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declare void @ff3(i32, i64, i32, i64)
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